15-Letter Words Containing: P,O,S,A
(In Any Order)
There are 981 15 letter words,
588 15 letter phrases and
0 15 letter abbr's with
P,O,S,A in.
Best Scoring for Word Games
| Word | Save | Length | Usage | Points | Type | ||
|---|---|---|---|---|---|---|---|
| psychoanalyzing | 15 | 38 | verb, adjectivev, adj | ||||
verb • subject to psychoanalytic treatment | |||||||
| benzodiazepines | 15 | 38 | nounn | ||||
noun • any of several similar lipophilic amines used as tranquilizers or sedatives or hypnotics or muscle relaxants; chronic use can lead to dependency | |||||||
| psychobiography | 15 | 36 | nounn | ||||
Valid word for Scrabble US
| |||||||
| overemphasizing | 15 | 35 | verbv | ||||
verb • place special or excessive emphasis on | |||||||
| psychosexuality | 15 | 35 | noun, adjectiven, adj | ||||
noun • the mental representation of sexual activities | |||||||
| psychopathology | 15 | 34 | nounn | ||||
noun • the branch of psychology concerned with abnormal behavior • the branch of medicine dealing with the diagnosis and treatment of mental disorders | |||||||
| phosphatization | 15 | 34 | nounn | ||||
Valid word for Scrabble US
| |||||||
| psychochemicals | 15 | 34 | nounn | ||||
Valid word for Scrabble US
| |||||||
| plethysmography | 15 | 34 | nounn | ||||
Valid word for Scrabble US
| |||||||
| phenylbutazones | 15 | 34 | nounn | ||||
noun • anti-inflammatory drug (trade name Butazolidin) | |||||||
| or scroll down to see all results... | |||||||
Tip: Scrabble EU allows far more words than US! Also change the max length to see more words. | |||||||
All 15 Letter Words
Words (981)
- psychologically
- professionalism
- psychotherapist
- pithecanthropus
- ophthalmologist
- personification
- unsophisticated
- hospitalization
- photojournalist
- physiologically
- philosophically
- spermatogenesis
- prognostication
- transplantation
- physiotherapist
- procrastinating
- unsportsmanlike
- misapprehension
- procrastination
- parthenogenesis
- sympathomimetic
- improvisational
- photojournalism
- suppositionally
- nonprofessional
- appropriateness
- microscopically
- palaeontologist
- hospitalisation
- disappointingly
- compassionately
- overspecialized
- prestidigitator
- postoperatively
- polyunsaturated
- plainclothesman
- inspirationally
- emancipationist
- crystallography
- psychopathology
- neuropsychiatry
- misappropriated
- dispassionately
- contemporaneous
- substratosphere
- prognosticating
- supplementation
- epistemological
- counterproposal
- ultrasonography
- spontaneousness
- prognosticative
- professionalize
- phosphocreatine
- nonpartisanship
- hermaphroditism
- extemporisation
- disproportional
- cooperativeness
- complicatedness
- commonplaceness
- adenohypophysis
- uncompromisable
- trypanosomiasis
- transpositional
- transcriptional
- thromboplastins
- sycophantically
- superannuations
- superabsorbents
- specializations
- specialisations
- sophisticatedly
- simplifications
- reproachfulness
- repristinations
- representations
- recapitulations
- psychometrician
- psychohistorian
- psychoanalyzing
- proximatenesses
- proselytization
- prognosticators
- profitabilities
- prettifications
- preregistration
- preprofessional
- prefabrications
- preadolescences
- posthemorrhagic
- postapocalyptic
- polysaccharides
- polymerisations
- plainspokenness
- physiographical
- photoengravings
- photoautotrophs
- phosphatization
- philanthropists
- perspicaciously
- personalization
- parasitologists
- overemphasizing
- overcomplicates
- orthophosphates
- operationalists
- openheartedness
- nonprofessorial
- nonimportations
- monopropellants
- misappropriates
- misapplications
- metallographies
- introspectional
- interpretations
- interpellations
- incapacitations
- improvisatorial
- improvabilities
- hypersalivation
- hyperfastidious
- homotransplants
- historiographic
- harpsichordists
- exponentiations
- exceptionalness
- exceptionalisms
- epitheliomatous
- employabilities
- disapprobations
- disappointments
- decompensations
- daguerreotypist
- cyproheptadines
- conceptualizers
- conceptualities
- conceptualising
- compositionally
- complementaries
- chlorpromazines
- capaciousnesses
- blasphemousness
- benzodiazepines
- autoradiographs
- autobiographers
- astrophysicists
- astrophotograph
- arteriographies
- antimonopolists
- antiaphrodisiac
- anthroposophies
- anthropometries
- aminopeptidases
- allotetraploids
- accomplishments
- uncompassionate
- symptomatically
- preservationist
- polycrystalline
- nonspecifically
- conceptualistic
- anthropophagous
- unprofessionals
- unappreciations
- trypanosomiases
- transportations
- transpirational
- temporarinesses
- symptomatologic
- sympathectomies
- supersaturation
- superphosphates
- superovulations
- supermajorities
- supererogations
- superelevations
- sulfinpyrazones
- subproletariats
- subprofessional
- suboptimization
- stadtholdership
- sporangiophores
- spinthariscopes
- spermatogeneses
- spectrographies
- sophistications
- solipsistically
- semipornography
- saprophytically
- saprogenicities
- saponifications
- saponaceousness
- repudiationists
- repolarizations
- reimplantations
- rehospitalizing
- rapturousnesses
- rapaciousnesses
- radiotherapists
- radiotelephones
- radiotelegraphs
- radioautographs
- psychotherapies
- psychogenically
- psychochemicals
- psychobiography
- psychoacoustics
- pseudopregnancy
- pseudocoelomate
- pseudepigraphon
- prussianization
- provocativeness
- provincialities
- protohistorians
- prostatectomies
- prosopographies
- pronunciamentos
- promotabilities
- proletarianizes
- proletarianises
- proletarianised
- procrastinators
- prioritizations
- preterminations
- pressurizations
- prepublications
- preponderations
- preponderancies
- prehistorically
- preformationist
- predestinations
- postvaccination
- posttransfusion
- poststimulatory
- poststimulation
- postpollination
- postmillenarian
- postmasterships
- postirradiation
- postinoculation
- postdevaluation
- postconsonantal
- popularizations
- polymerizations
- polyacrylamides
- politicizations
- plethysmography
- plethysmographs
- platitudinously
- platinocyanides
- plasticizations
- plainclothesmen
- pinealectomizes
- pictorialnesses
- physiotherapies
- physiopathology
- phthalocyanines
- phrasemongering
- photooxidations
- photoduplicates
- photodissociate
- phosphorylative
- phosphorylation
- phosphorylating
- philanthropoids
- phenylthioureas
- phenylbutazones
- phenomenalistic
- phenobarbitones
- pharmacologists
- pharmacognostic
- pharmacognosies
- phantasmagorias
- pentobarbitones
- pathophysiology
- pathogenicities
- pasteurizations
- parthenogeneses
- parthenocarpies
- parasitological
- parasitizations
- pararosanilines
- paranormalities
- paramyxoviruses
- parajournalisms
- paradoxicalness
- pantisocratists
- pantisocratical
- paleozoologists
- paleontologists
- paleomagnetists
- paleomagnetisms
- paleoecologists
- paleobiologists
- palatalizations
- ovoviviparously
- overspeculation
- overspeculating
- overspecializes
- overpopulations
- overpersuasions
- overcompliances
- overcompensates
- overcompensated
- overcapitalizes
- outdoorsmanship
- osteopathically
- oscillographies
- orthopsychiatry
- opinionatedness
- ophthalmoscopic
- ophthalmoscopes
- ophthalmologies
- operativenesses
- operationalisms
- nonsaponifiable
- nonpsychiatrist
- nonperformances
- nonparticipants
- nonimplications
- nonhospitalized
- nonencapsulated
- noncooperations
- multipolarities
- multiplications
- monopolizations
- miscomputations
- micropulsations
- microphysically
- microbarographs
- metallographers
- mercaptopurines
- megasporophylls
- lyophilizations
- lymphosarcomata
- lymphangiograms
- legislatorships
- juxtapositional
- ionospherically
- interpersonally
- interparoxysmal
- intercomparison
- inoperativeness
- inhospitalities
- improbabilities
- implementations
- impersonalizing
- impersonalities
- immunotherapies
- hypopituitarism
- hypomagnesemias
- hypochondriases
- hypnotherapists
- hypermetabolism
- hyperinflations
- hypercatabolism
- hydroxyapatites
- hydrocephaluses
- histopathologic
- graphitizations
- geostrophically
- fissiparousness
- exportabilities
- eutrophications
- epithelizations
- endoparasitisms
- encephalographs
- encephalitogens
- enantiomorphous
- ecocatastrophes
- disposabilities
- diastrophically
- depolarizations
- depigmentations
- dephosphorylate
- depersonalizing
- decomposability
- daguerreotypies
- cryoprotectants
- counterexamples
- cosmopolitanism
- corporealnesses
- cooperationists
- contrapositives
- contrapositions
- consultantships
- conservatorship
- computerphobias
- computabilities
- compatibilities
- compassionating
- comparativeness
- comparabilities
- claustrophobias
- chronotherapies
- chlorpropamides
- chemotherapists
- chancellorships
- cephalothoraxes
- cephalothoraces
- capitalizations
- blaxploitations
- bipolarizations
- biostratigraphy
- bibliotherapies
- bacteriophagies
- autotetraploids
- autobiographies
- atmospherically
- astrophysically
- aromatherapists
- archiepiscopate
- archaeopteryxes
- apolipoproteins
- apocalypticisms
- antispeculation
- antishoplifting
- antiprogressive
- anthropophagies
- anthropologists
- amphidiploidies
- amorphousnesses
- ambassadorships
- allelomorphisms
- adenohypophyses
- achondroplasias
- accountantships
- ultramicroscope
- superpatriotism
- streptobacillus
- stereotypically
- pusillanimously
- psychosexuality
- prepositionally
- physicochemical
- organophosphate
- microsporangium
- macroscopically
- importunateness
- hypostatization
- hypochondriasis
- historiographer
- enantiomorphism
- dermatoglyphics
- cytoplasmically
- crossopterygian
- anthropopathism
- anisotropically
- achondroplastic
- ultraprecisions
- preperformances
- predevaluations
- postadolescents
- nonoverlappings
- interoperatives
- antidepressions
- anticorruptions
- zygophyllaceous
- zinjanthropuses
- xenotransplants
- vapourishnesses
- vapourabilities
- unprotestantize
- unprotestantise
- unphilosophical
- undisappointing
- uncomplaisantly
- unapostolically
- ultramicroscopy
- tropicalisation
- tripersonalists
- tripersonalisms
- transportedness
- trainspotterish
- thoracoplasties
- thermotherapies
- therianthropism
- theosophistical
- thanatographies
- thalassotherapy
- thalassographic
- thalassographer
- telephotographs
- telautographies
- synaposematisms
- symptomological
- symmetrophobias
- symbolographies
- syllabographies
- suspercollating
- supranationally
- supportableness
- superorganicist
- superorganicism
- superordinating
- supernationally
- superfoetations
- superexaltation
- supercargoships
- superadditional
- sulphurizations
- sulphurisations
- sulphonmethanes
- sulphinpyrazone
- sulphathiazoles
- suboptimisation
- streptocarpuses
- strephosymbolia
- stratospherical
- stomatoplasties
- stigmatophilist
- stigmatophilias
- stereographical
- stegocephalians
- steganographist
- steganographies
- steganographers
- staphylorrhaphy
- staphyloplastic
- stadholderships
- sporangiospores
- splanchnologies
- spironolactones
- spirochaetaemia
- sphygmographies
- spheroidization
- spheroidisation
- sphaerosiderite
- sphaerocrystals
- spermatorrhoeas
- spermatogenetic
- spermatoblastic
- speleotherapies
- speechification
- slumpflationary
- septentrionally
- selenographists
- selenographical
- seismographical
- scintillascopes
- scaphocephalous
- scaphocephalism
- scaphocephalies
- salpingectomies
- roentgenographs
- rhyparographies
- rhyparographers
- rhinencephalons
- reprivatisation
- repolarisations
- rehospitalising
- reconceptualise
- reciprocalities
- radioscopically
- radiophosphorus
- pyrotechnicians
- pyrophotographs
- pyretotherapies
- pyramidologists
- punctuationists
- pterylographies
- psychrometrical
- psychographical
- psychogeriatric
- psychogenetical
- psychodelically
- psychoanalyzers
- psychoanalysing
- psychoanalysers
- psilanthropists
- psilanthropisms
- pseudomutuality
- pseudomembranes
- pseudoarthrosis
- pseudoarthroses
- psephologically
- prussianisation
- provincialising
- proverbialising
- protospatharius
- protospathaires
- prothonotariats
- prosopographers
- proslambanomene
- prosenchymatous
- proselytisation
- prosaicalnesses
- propylitisation
- propositionally
- propagabilities
- pronominalising
- proletarianness
- proletarianisms
- projectizations
- projectisations
- progressionally
- professionalist
- procuratorships
- procreativeness
- procrastinatory
- procrastinative
- processionalist
- proceleusmatics
- probationership
- probabiliorists
- probabiliorisms
- prioritisations
- primordialities
- pressurisations
- presentationist
- presentationism
- prenegotiations
- preformationism
- predesignations
- predatorinesses
- pragmatizations
- pragmatisations
- postulationally
- popularisations
- pontificalities
- ponderabilities
- polysynthetical
- polysyllabicism
- polysaccharoses
- polyphloesboean
- polychromatisms
- politicisations
- pococuranteisms
- pneumatometries
- pneumatologists
- plasticisations
- plasmolytically
- plantaginaceous
- plagiostomatous
- plagiocephalies
- pinealectomises
- pinealectomised
- piezomagnetisms
- phyllosilicates
- phraseographies
- phototransistor
- phototelegraphs
- photoionisation
- photoelasticity
- phosphocreatins
- phosphatisation
- phoneticisation
- phonemicisation
- phlogisticating
- philosophasters
- phenomenalities
- phenomenalising
- phenakistoscope
- pharyngoscopies
- pharyngologists
- pharmacopolists
- pharmacopoeists
- pharmacognosist
- phantasmagories
- phantasmagorial
- phallocentrisms
- personalisation
- perissosyllabic
- perissodactylic
- perissodactyles
- pergamentaceous
- pedagoguishness
- patrifocalities
- patrializations
- patrialisations
- pasteurisations
- passionlessness
- passifloraceous
- parthenocarpous
- parasitisations
- parametrisation
- parallelopipeds
- parabolizations
- parabolisations
- pantopragmatics
- panophthalmitis
- palatalisations
- palaeozoologist
- palaeozoologies
- palaeontologies
- palaeomagnetism
- palaeographists
- palaeoecologist
- palaeoecologies
- palaeobotanists
- palaeobiologist
- palaeobiologies
- palaebiologists
- ovoviviparities
- overspecialises
- overspecialised
- overemphasising
- overcapitalises
- overcapitalised
- organotherapies
- organographists
- orchesographies
- optimalizations
- optimalisations
- opsonifications
- opisthographies
- opisthognathism
- ophthalmometers
- omoplatoscopies
- oesophagoscopes
- nucleoplasmatic
- nonpartizanship
- nonhospitalised
- nephroblastomas
- neoarsphenamine
- myocardiographs
- myelencephalons
- musicotherapies
- morphinomaniacs
- monopolisations
- mispunctuations
- misappreciation
- misacceptations
- micropegmatites
- microaerophiles
- metropolitanism
- metropolitanise
- metallographist
- mesaticephalous
- menispermaceous
- megalocephalous
- megalocephalies
- mechanomorphism
- massotherapists
- malpresentation
- malappropriates
- lyophilisations
- lissencephalous
- lipogrammatists
- lipogrammatisms
- lexicographists
- leucocytopenias
- laryngoscopists
- lapidifications
- isoperimetrical
- inspirationists
- inspirationisms
- inoperabilities
- incapaciousness
- inapprehensions
- inappreciations
- improvvisatrice
- improvvisatores
- improvisatrixes
- improvisatrices
- imposthumations
- importabilities
- imperturbations
- impersonalising
- impassionedness
- ichthyophagists
- hypsometrically
- hypostasization
- hypostasisation
- hypomenorrhoeas
- hypomagnesaemia
- hypocrystalline
- hypochondriasts
- hypochondriasms
- hypnotisability
- hyperpolarising
- hygroscopically
- hydrotherapists
- homoplastically
- histocompatible
- hieracosphinxes
- hieracosphinges
- herniorrhaphies
- heresiographies
- heresiographers
- hepaticologists
- halfpennyworths
- graphitisations
- glossographical
- geodemographics
- galvanotropisms
- galvanoplasties
- galactopoietics
- ferroprussiates
- extemporariness
- expostulatingly
- explorationists
- evaporabilities
- equiponderances
- epithelisations
- ephemeropterans
- enterohepatitis
- enhypostatizing
- enhypostatising
- encyclopaedists
- encyclopaedisms
- encephalotomies
- enantiomorphies
- electroplatings
- electrographies
- edriophthalmous
- eccremocarpuses
- ebullioscopical
- dysmorphophobia
- disincorporates
- disincorporated
- disappropriates
- disappropriated
- disapplications
- diplomatologies
- diaphototropism
- diaphototropies
- diaheliotropism
- dextrophosphate
- desulphurations
- dermatoplasties
- dermatophytoses
- dermatographies
- dermatographias
- depolarisations
- deplorabilities
- dephlogisticate
- depersonalising
- dehypnotisation
- daguerreotypers
- dactylographies
- dactylographers
- cytopathologies
- cyclopentolates
- cryptographists
- crapulousnesses
- corpuscularians
- corporatenesses
- cooperativities
- contrapuntalist
- contemporaneans
- contemperatures
- contemperations
- conspiratresses
- conduplications
- conceptualisers
- computerisation
- compotationship
- compliantnesses
- compactednesses
- commissaryships
- commandantships
- colposcopically
- climatographies
- chromotherapies
- chromatospheres
- chromatophorous
- chenopodiaceous
- chemopsychiatry
- chemoautotrophs
- chaptalizations
- chaptalisations
- chalcographists
- cervicographies
- centuplications
- cathodographies
- cathodographers
- castanospermine
- carpometacarpus
- caprifoliaceous
- capitalisations
- bronchoscopical
- bronchographies
- brachypinakoids
- brachycephalous
- bisphosphonates
- bipolarisations
- batrachophobias
- balneotherapies
- archpriesthoods
- archiepiscopacy
- appropinquities
- apprenticehoods
- apothegmatising
- apophthegmatist
- apophthegmatise
- apoliticalities
- apheliotropisms
- antiphlogistics
- anthroposophist
- anthropopsychic
- anthropophuisms
- anthropophobics
- anthropophobias
- anthropopathies
- anthropometrist
- anthropolatries
- anthropogeneses
- antaphrodisiacs
- androgynophores
- anamorphoscopes
- aminophenazones
- alexipharmakons
- aerohydroplanes
- actinotherapies
- acroparesthesia
- absorptiometers
- transposability
- trachelospermum
- theophrastaceae
- tetrasporangium
- superordination
- stenopelmatidae
- spongioblastoma
- spirochaetaceae
- sphaerocarpales
- sphaerobolaceae
- spectroscopical
- self-pollination
- self-pollinating
- self-opinionated
- self-explanatory
- self-complacency
- scrophulariales
- sciadopityaceae
- sauropodomorpha
- sarcoscyphaceae
- pseudomonadales
- professionalise
- praisworthiness
- poitou-charentes
- plumbaginaceous
- peronosporaceae
- panhysterectomy
- oppositionality
- opisthorchiasis
- opisthognathous
- opisthobranchia
- ophioglossaceae
- nonpsychoactive
- nephrolithiasis
- mycoplasmatales
- mephistophelian
- mephistophelean
- macrosporangium
- macrencephalous
- lymphoblast-like
- leptosporangium
- lepidodendrales
- kaleidoscopical
- hypovitaminosis
- hypostatisation
- hourglass-shaped
- gymnosporangium
- gorgonocephalus
- genus-megapodius
- gasterophilidae
- fasciolopsiasis
- europeanisation
- episcopalianism
- downward-sloping
- dermatophytosis
- decompositional
- dactyloscopidae
- ctenocephalides
- cryptacanthodes
- cosmopolitanity
- closed-captioned
- campylorhynchus
- balanoposthitis
- bacteriophagous
- aspidophoroides
- asclepiadaceous
- aphyllophorales
- anthropogenesis
- alphabetisation
- all-encompassing
- aegyptopithecus
- acousticophobia
- accipitriformes
Phrases (588)
- william lipscomb
- water absorption
- vegetable sponge
- unpleasant woman
- tussilago alpina
- tarzan of the apes
- superior general
- suborder ophidia
- styrax japonicum
- stonecrop family
- startle response
- standup comedian
- stamp collecting
- stable companion
- spreading factor
- sports announcer
- spiritual domain
- spiny-headed worm
- special contract
- spatial relation
- spatial property
- southern baptist
- solar prominence
- software product
- singapore dollar
- shorthand typist
- serial operation
- scorpaenoid fish
- school principal
- school newspaper
- scholarly person
- saturation point
- research project
- rescue operation
- res ipsa loquitur
- reciprocal cross
- prunus domestica
- product research
- procrustean rule
- practice session
- positive balance
- political system
- political sphere
- polar opposition
- pocket billiards
- plexus caroticus
- place of business
- pit of the stomach
- physical process
- physical contact
- physeter catodon
- personality test
- personal pronoun
- personal matters
- personal expense
- personal effects
- personal chattel
- passeriform bird
- panel discussion
- pair of virginals
- orycteropus afer
- organ transplant
- order sapindales
- operating system
- okefenokee swamp
- newspaper column
- neotoma fuscipes
- mustela putorius
- mask of pregnancy
- malicious gossip
- local post office
- leguminous plant
- lagopus scoticus
- johnny appleseed
- iridaceous plant
- intravenous drip
- insurance policy
- historical paper
- gloriosa superba
- genus rhizophora
- genus rhinoptera
- genus potentilla
- genus podocarpus
- genus phascogale
- genus passiflora
- genus pagophilus
- genus hyalophora
- genus himantopus
- genus haematopus
- genus dasyprocta
- genus copernicia
- genus aspidiotus
- genus asphodelus
- genus artocarpus
- genus ailuropoda
- falco peregrinus
- emotional person
- domestic prelate
- displaced person
- department store
- dasyprocta aguti
- copper-base alloy
- compositor's case
- class pelecypoda
- class liliopsida
- class ciliophora
- chemical process
- capital of sweden
- capital of kansas
- capital of israel
- capital of cyprus
- capital of alaska
- cape verde escudo
- branta leucopsis
- bellbottom pants
- basic assumption
- band of partisans
- avoirdupois unit
- automatic pistol
- assembly program
- asperula odorata
- ascidian tadpole
- asarum europaeum
- arachis hypogaea
- apothecary's shop
- apium graveolens
- apetalous flower
- ancestor worship
- amerigo vespucci
- american parasol
- alveolar process
- alto saxophonist
- alpinia speciosa
- alpine sunflower
- alluvial deposit
- alliaceous plant
- acer platanoides
- accounts payable
- abies lasiocarpa
- zalophus lobatus
- xyris operculata
- women's army corps
- wilsonia pusilla
- wilson's blackcap
- william thompson
- william paterson
- white snapdragon
- weapons platform
- virginia cowslip
- venae esophageae
- vena perforantis
- vena occipitalis
- us postal service
- upper-lower-class
- ulmus parvifolia
- typhoid bacillus
- twelve olympians
- tropaeolum minus
- tropaeolum majus
- trial impression
- tobacconist shop
- temporal canthus
- temple of artemis
- taste perception
- tallapoosa river
- synagrops bellus
- swertia speciosa
- sweet potato vine
- swamp rose mallow
- swamp cottonwood
- suspense account
- surgical process
- suppurating sore
- superoxide anion
- suffragan bishop
- studio apartment
- stock photograph
- stevens' power law
- stephen jay gould
- stephen a. douglas
- stateless person
- stamp collection
- stagnant hypoxia
- spotted weakfish
- spotted sea trout
- spotted eagle ray
- spizella arborea
- spinal nerve root
- spinal accessory
- special olympics
- speak of the devil
- space laboratory
- sorbus aucuparia
- sophora sinensis
- sophora japonica
- somali peninsula
- software program
- software package
- sodium-vapor lamp
- sodium phosphate
- soapwort gentian
- soapberry family
- snowdrop anemone
- snapshot program
- slang expression
- sir joseph paxton
- sir jacob epstein
- sino-japanese war
- singapore island
- shipping company
- shipboard system
- sheepshead porgy
- sharecrop farmer
- scipio africanus
- saxicolous plant
- saturnia pavonia
- saratoga springs
- sapodilla family
- san carlos apache
- sampling station
- salyut programme
- salmonella typhi
- salix lasiolepis
- rupicolous plant
- rubiaceous plant
- reusable program
- respiratory rate
- replacement cost
- ralph richardson
- rainbow seaperch
- pyramids of egypt
- push-down storage
- push-button radio
- pulse modulation
- pulmonary plexis
- pullorum disease
- puebloan peoples
- public transport
- public relations
- ptolemaic system
- proteus anguinus
- princess of wales
- primrose jasmine
- pride of barbados
- president taylor
- prairie schooner
- prairie sagewort
- powdered mustard
- potassium iodide
- potage st. germain
- postfix notation
- postage franking
- portuguese heath
- portacaval shunt
- port jackson pine
- population shift
- pope callixtus ii
- pond bald cypress
- police constable
- point of apoapsis
- podocarpus amara
- ploughman's lunch
- plectognath fish
- playground slide
- plasterer's float
- plasmodium vivax
- planck's constant
- plains spadefoot
- pityriasis rosea
- pitot-static tube
- pisonia aculeata
- pinus monophylla
- pinus densiflora
- pincushion hakea
- pin-tailed grouse
- pilot blacksnake
- picture postcard
- picea orientalis
- pianissimo assai
- physalis viscosa
- phosphorous acid
- philip ii of spain
- phenolic plastic
- phaseolus aureus
- phase transition
- phase modulation
- pharaoh's chicken
- persona non grata
- person agreement
- pentatonic scale
- penstemon parryi
- pelican crossing
- pectoralis minor
- pectoralis major
- pearly razorfish
- pawnbroker's shop
- past progressive
- passion of christ
- passenger pigeon
- paspalum notatum
- parry's penstemon
- parochial school
- parker house roll
- parasol mushroom
- painted tortoise
- pacific sturgeon
- oxalis pes-caprae
- order therapsida
- order sphagnales
- order psocoptera
- order psilotales
- order primulales
- order parietales
- order pandanales
- order opuntiales
- oral personality
- optical illusion
- ophrys muscifera
- old-age pensioner
- okapia johnstoni
- observation post
- northern baptist
- nord-pas-de-calais
- no-par-value stock
- newspaper editor
- news photography
- new world sparrow
- myocastor coypus
- mountain spinach
- most importantly
- moral philosophy
- mobula hypostoma
- military posture
- microscope stage
- mesophytic plant
- menziesia pilosa
- memory apparatus
- meat and potatoes
- meadow spikemoss
- mariner's compass
- marco polo's sheep
- manic depression
- mangrove snapper
- magnetic compass
- lupinus arboreus
- liparis loeselii
- liliopsid family
- liliaceous plant
- lesser spearwort
- leprosy bacillus
- lepiota rhacodes
- legal separation
- legal profession
- legal philosophy
- learned response
- lasiocampid moth
- large tooth aspen
- languas speciosa
- korean peninsula
- korean lespedeza
- joseph m. jacquard
- john philip sousa
- japanese apricot
- ixodes pacificus
- isthmus of panama
- ischemic hypoxia
- iris pseudacorus
- ionospheric wave
- intercom speaker
- inky-cap mushroom
- important person
- implements of war
- imperforate anus
- idesia polycarpa
- hypostatic union
- hyponitrous acid
- hypogastric vein
- homarus capensis
- himantopus stilt
- herbaceous plant
- heat prostration
- heat dissipation
- haptic sensation
- grigori rasputin
- great depression
- grease one's palms
- gramineous plant
- grade separation
- gospel of matthew
- giuseppe balsamo
- gestation period
- genus utahraptor
- genus tropaeolum
- genus tragopogon
- genus thamnophis
- genus synaptomys
- genus stropharia
- genus steganopus
- genus spodoptera
- genus scaphiopus
- genus sarcophaga
- genus salpichroa
- genus pterocarya
- genus pternohyla
- genus psychotria
- genus pritzelago
- genus potamophis
- genus potamogale
- genus porphyrula
- genus pontederia
- genus pomaderris
- genus polybotrya
- genus polybotria
- genus polyangium
- genus pollachius
- genus polioptila
- genus polianthes
- genus plasmodium
- genus piroplasma
- genus phytolacca
- genus phylloxera
- genus phrynosoma
- genus pholistoma
- genus phenacomys
- genus phalaropus
- genus paronychia
- genus parochetus
- genus panonychus
- genus ophisaurus
- genus omphalotus
- genus odontaspis
- genus neurospora
- genus mycoplasma
- genus melophagus
- genus melanoplus
- genus melampsora
- genus lophosoria
- genus lophophora
- genus leptospira
- genus lasiocampa
- genus lactophrys
- genus hypopachus
- genus hylophylax
- genus hippodamia
- genus hippobosca
- genus heliophila
- genus halocarpus
- genus gypsophila
- genus eupatorium
- genus eumetopias
- genus drosophila
- genus dipteronia
- genus diplotaxis
- genus dimocarpus
- genus cystophora
- genus crotophaga
- genus conocarpus
- genus commiphora
- genus chaenopsis
- genus cercospora
- genus cephalotus
- genus carpodacus
- genus carpocapsa
- genus carphophis
- genus camponotus
- genus calocarpum
- genus calliphora
- genus calliophis
- genus boselaphus
- genus astropogon
- genus ariocarpus
- genus aplodontia
- genus aphrophora
- genus andropogon
- genus amphiprion
- genus alopecurus
- genus afrocarpus
- genus acrocarpus
- garbage disposal
- french polynesia
- frasera speciosa
- fluorescent lamp
- flavius josephus
- fictitious place
- female offspring
- feature of speech
- feathertop grass
- false beachdrops
- falco sparverius
- ezra loomis pound
- exposure therapy
- explosive charge
- european sanicle
- european lobster
- european catfish
- euphorbia peplus
- euphorbia ingens
- esophageal veins
- esophageal smear
- equestrian sport
- episcopal church
- epigastric fossa
- epidemic roseola
- due process of law
- dryas octopetala
- dry plate process
- domestic partner
- dobereiner's lamp
- diplomatic corps
- diane de poitiers
- damp-proof course
- damon and pythias
- crotalus lepidus
- corpus mamillare
- coragyps atratus
- coprinus comatus
- condylar process
- computer storage
- computer display
- computer address
- columba palumbus
- colorado springs
- colaptes auratus
- coccygeal plexus
- cleanup position
- class scaphopoda
- class psilotatae
- class psilopsida
- class polychaeta
- class placodermi
- class gnetopsida
- class gastropoda
- clapp's favourite
- chipping sparrow
- cauliflower soup
- catalpa speciosa
- castor bean plant
- caspar bartholin
- cash in one's chips
- capparis spinosa
- capparis arborea
- cactus euphorbia
- bypass condenser
- bypass capacitor
- butea monosperma
- built-soap powder
- bromus japonicus
- broadly speaking
- breach of promise
- boletus variipes
- boletus pallidus
- black spleenwort
- bipolar disorder
- bigtoothed aspen
- big-toothed aspen
- belgian sheepdog
- battle of sempach
- battle of plassey
- battle of cowpens
- batch processing
- basket spikemoss
- baruch de spinoza
- aversion therapy
- autonomic plexus
- auditory aphasia
- atomic explosion
- astilbe japonica
- as far as possible
- arundo conspicua
- apostolic palace
- apostelic father
- apogon maculatus
- angular position
- anatropous ovule
- anal personality
- alpine coltsfoot
- alopius vulpinus
- alkali poisoning
- aliterate person
- agropyron repens
- aedes albopictus
- adolph simon ochs
- active transport
- acromial process
- acrocarpous moss
- acoustic aphasia
- acidophilus milk
- abandoned person