15-Letter Words Containing: S,P,O,T
(In Any Order)
There are 1,066 15 letter words,
440 15 letter phrases and
0 15 letter abbr's with
S,P,O,T in.
Best Scoring for Word Games
| Word | Save | Length | Usage | Points | Type | ||
|---|---|---|---|---|---|---|---|
| photosynthesize | 15 | 35 | verbv | ||||
verb • To synthesize carbohydrates from carbon dioxide and water using the energy of light by photosynthesis | |||||||
| psychophysicist | 15 | 35 | nounn | ||||
noun • a psychologist trained in psychophysics | |||||||
| 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
| |||||||
| plethysmography | 15 | 34 | nounn | ||||
Valid word for Scrabble US
| |||||||
| phenylbutazones | 15 | 34 | nounn | ||||
noun • anti-inflammatory drug (trade name Butazolidin) | |||||||
| hydroxyapatites | 15 | 34 | nounn | ||||
Valid word for Scrabble US
| |||||||
| hyposensitizing | 15 | 33 | verb, adjectivev, adj | ||||
Valid word for Scrabble US
| |||||||
| phytotoxicities | 15 | 32 | nounn | ||||
Valid word for Scrabble US
| |||||||
| 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 (1066)
- psychotherapist
- pithecanthropus
- ophthalmologist
- personification
- intussusception
- unsophisticated
- hospitalization
- photojournalist
- spermatogenesis
- prognostication
- transplantation
- physiotherapist
- procrastinating
- unsportsmanlike
- procrastination
- parthenogenesis
- sympathomimetic
- electrophoresis
- competitiveness
- impressionistic
- improvisational
- surreptitiously
- photojournalism
- suppositionally
- psychobiologist
- pretentiousness
- appropriateness
- superimposition
- palaeontologist
- hospitalisation
- expressionistic
- disappointingly
- compassionately
- photosynthesize
- introspectively
- pulchritudinous
- prestidigitator
- postoperatively
- polyunsaturated
- plainclothesman
- multiprocessing
- inspirationally
- emancipationist
- crystallography
- distributorship
- retrospectively
- psychopathology
- neuropsychiatry
- misappropriated
- dispassionately
- contemporaneous
- substratosphere
- prognosticating
- supplementation
- epistemological
- counterproposal
- ultrasonography
- tempestuousness
- spontaneousness
- punctiliousness
- prognosticative
- prestigiousness
- precipitousness
- phosphocreatine
- nonprescription
- nonpartisanship
- inopportuneness
- hermaphroditism
- extemporisation
- expeditiousness
- disproportional
- cooperativeness
- complicatedness
- trypanosomiasis
- transpositional
- transcriptional
- thromboplastins
- thermoreceptors
- sycophantically
- supernutritions
- superannuations
- superabsorbents
- specializations
- specialisations
- sophisticatedly
- simplifications
- serendipitously
- repristinations
- representations
- recapitulations
- psychotomimetic
- psychosynthesis
- psychometrician
- psychohistorian
- pseudoscientist
- proximatenesses
- protozoologists
- proselytization
- prohibitiveness
- progressivistic
- prognosticators
- profitabilities
- prettifications
- presuppositions
- preregistration
- prefabrications
- predispositions
- posthemorrhagic
- postapocalyptic
- polymerisations
- poliomyelitides
- photosensitized
- photoperiodisms
- photoengravings
- photoautotrophs
- phosphatization
- philanthropists
- pestiferousness
- personalization
- perfectionistic
- parasitologists
- overrepresented
- overconsumption
- overcomplicates
- orthophosphates
- operationalists
- openmouthedness
- openheartedness
- nonimportations
- monopropellants
- misappropriates
- misapplications
- metallographies
- introspectional
- interpretations
- interpellations
- incapacitations
- improvisatorial
- improvabilities
- impoverishments
- hyposensitizing
- hypersalivation
- hyperfastidious
- homotransplants
- historiographic
- harpsichordists
- exponentiations
- exceptionalness
- exceptionalisms
- epitheliomatous
- epistemologists
- employabilities
- electrophoresed
- disproportioned
- disapprobations
- disappointments
- decompensations
- daguerreotypist
- cyproheptadines
- counterpunchers
- corticotrophins
- conceptualizers
- conceptualities
- conceptualising
- compositionally
- complementaries
- autoradiographs
- autobiographers
- astrophysicists
- astrophotograph
- arteriographies
- antimonopolists
- antiaphrodisiac
- anthroposophies
- anthropometries
- aminopeptidases
- allotetraploids
- accomplishments
- uncompassionate
- symptomatically
- psychophysicist
- preservationist
- polycrystalline
- conceptualistic
- circumscription
- anthropophagous
- unappreciations
- trypanosomiases
- transportations
- transpirational
- thermoperiodism
- temporarinesses
- teleprocessings
- symptomatologic
- sympathectomies
- superscriptions
- supersaturation
- superphosphates
- superovulations
- supermajorities
- superinfections
- superinductions
- superheterodyne
- supergovernment
- supererogations
- superelevations
- superconvenient
- supercontinents
- superconductors
- superconductive
- superconducting
- sumptuousnesses
- subreptitiously
- subproletariats
- suboptimization
- subdevelopments
- streptothricins
- stadtholdership
- splenectomizing
- spinthariscopes
- spermatogeneses
- spectroscopists
- spectrographies
- sophistications
- solipsistically
- septendecillion
- saprophytically
- saprogenicities
- saponifications
- repudiationists
- repolarizations
- reimplantations
- rehospitalizing
- rapturousnesses
- radiotherapists
- radiotelephones
- radiotelegraphs
- radioautographs
- psychotherapies
- psychosyntheses
- psychoneurotics
- psycholinguists
- psychohistories
- psychoacoustics
- pseudocoelomate
- prussianization
- provocativeness
- provincialities
- protoporphyrins
- protohistorians
- prosthodontists
- prostatectomies
- proprioceptions
- proprietorships
- pronunciamentos
- promotivenesses
- promotabilities
- proletarianizes
- proletarianises
- proletarianised
- prohibitionists
- progressivities
- procrastinators
- prioritizations
- preterminations
- pressurizations
- prepublications
- preponderations
- prehistorically
- preformationist
- predestinations
- precipitinogens
- postvaccination
- posttransfusion
- poststimulatory
- poststimulation
- postproductions
- postpollination
- postmillenarian
- postmasterships
- postirradiation
- postinoculation
- postdivestiture
- postdevaluation
- postconsonantal
- popularizations
- polynucleotides
- polymerizations
- politicizations
- pointlessnesses
- pneumonectomies
- plethysmography
- plethysmographs
- plenteousnesses
- platitudinously
- platinocyanides
- plasticizations
- plainclothesmen
- pinealectomizes
- pictorialnesses
- phytotoxicities
- physiotherapies
- physiopathology
- phthalocyanines
- phototypesetter
- phototoxicities
- photosensitizes
- photosensitizer
- photoreductions
- photoreceptions
- photooxidations
- photoinductions
- photogeologists
- photofinishings
- photoduplicates
- photodissociate
- photobiologists
- phosphorylative
- phosphorylation
- phosphorylating
- phosphoproteins
- philanthropoids
- phenylthioureas
- phenylbutazones
- phenomenologist
- phenomenalistic
- phenobarbitones
- pharmacologists
- pharmacognostic
- phantasmagorias
- perfunctoriness
- pentobarbitones
- pathophysiology
- pathogenicities
- pasteurizations
- parthenogeneses
- parthenocarpies
- parasitological
- parasitizations
- paranormalities
- pantisocratists
- pantisocratical
- paleozoologists
- paleontologists
- paleomagnetists
- paleomagnetisms
- paleoecologists
- paleobiologists
- palatalizations
- overspeculation
- overspeculating
- overprotections
- overproportions
- overproductions
- overpopulations
- overcompensates
- overcompensated
- overcapitalizes
- outspokennesses
- outdoorsmanship
- osteopathically
- orthopsychiatry
- optoelectronics
- opportunenesses
- opinionatedness
- ophthalmoscopic
- ophthalmoscopes
- ophthalmologies
- operativenesses
- operationalisms
- omnicompetences
- nonpsychiatrist
- nonparticipants
- nonimplications
- nonhospitalized
- nonencapsulated
- nondevelopments
- noncooperations
- nonconsumptions
- multiprocessors
- multipolarities
- multiplications
- monospecificity
- monopolizations
- misdescriptions
- miscomputations
- microsporocytes
- micropulsations
- microprojectors
- microporosities
- metallographers
- mercaptopurines
- lyophilizations
- lymphosarcomata
- legislatorships
- juxtapositional
- interpersonally
- interparoxysmal
- intercomparison
- instructorships
- inoperativeness
- inhospitalities
- incorruptnesses
- improbabilities
- impossibilities
- implementations
- impetuousnesses
- impersonalities
- impecuniosities
- immunotherapies
- hypothyroidisms
- hypopituitarism
- hypnotherapists
- hypervelocities
- hypertonicities
- hypersecretions
- hypermodernists
- hypermobilities
- hypermetabolism
- hyperinflations
- hyperextensions
- hyperexcretions
- hypercatabolism
- hydroxyapatites
- histophysiology
- histopathologic
- heteromorphisms
- graphitizations
- geostrophically
- geomorphologist
- fibrinopeptides
- exportabilities
- eutrophications
- erythropoietins
- epizootiologies
- epithelizations
- epidemiologists
- endoparasitisms
- encephalitogens
- enantiomorphous
- electrophoreses
- electrodeposits
- ecocatastrophes
- disposabilities
- diastrophically
- depolarizations
- depigmentations
- dephosphorylate
- decomposability
- daguerreotypies
- cryptozoologist
- cryptozoologies
- cryptosporidium
- cryptorchidisms
- cryoprotectants
- counterresponse
- counterprotests
- counterprojects
- counterpressure
- counterexamples
- cosmopolitanism
- cooperationists
- controllerships
- contrapositives
- contrapositions
- consultantships
- conservatorship
- computerphobias
- computabilities
- complementizers
- compatibilities
- compassionating
- comparativeness
- comparabilities
- claustrophobias
- circumspections
- chronotherapies
- chemotherapists
- chemoreceptions
- cephalothoraxes
- cephalothoraces
- capitalizations
- bumptiousnesses
- bronchoscopists
- blaxploitations
- bipolarizations
- biostratigraphy
- bibliotherapies
- bacteriophagies
- autotetraploids
- autobiographies
- atmospherically
- astrophysically
- aromatherapists
- archiepiscopate
- archaeopteryxes
- apolipoproteins
- apocalypticisms
- antispeculation
- antishoplifting
- antiprogressive
- anthropophagies
- anthropologists
- accountantships
- unpretentiously
- ultramicroscope
- superstitiously
- superpatriotism
- streptobacillus
- stereotypically
- repetitiousness
- psychosexuality
- prepositionally
- organophosphate
- importunateness
- hypostatization
- hyperthyroidism
- historiographer
- enantiomorphism
- electropositive
- dessertspoonful
- dermatoglyphics
- cytoplasmically
- crossopterygian
- comptrollership
- compressibility
- boustrophedonic
- anthropopathism
- anisotropically
- achondroplastic
- ultraprecisions
- prerevisionists
- predevaluations
- postadolescents
- lymphocytosises
- interoperatives
- counterstepping
- antidepressions
- anticorruptions
- zoophytologists
- zoophysiologist
- zinjanthropuses
- xenotransplants
- videotelephones
- vespertilionine
- vespertilionids
- vapourabilities
- unspottednesses
- unprotestantize
- unprotestantise
- undisappointing
- uncomplaisantly
- unapostolically
- ultramicroscopy
- tropicalisation
- tripersonalists
- tripersonalisms
- trinitrophenols
- transportedness
- trainspotterish
- topochemistries
- thoracoplasties
- thermotherapies
- theriomorphosis
- theriomorphoses
- theriomorphisms
- therianthropism
- theosophistical
- thanatographies
- thalassotherapy
- thalassographic
- thalassographer
- telestereoscope
- telephotographs
- telautographies
- synaposematisms
- symptomological
- symphysiotomies
- symphyseotomies
- symmetrophobias
- suspercollating
- supranationally
- suppositionless
- supportableness
- superstructions
- superorganicist
- superordinating
- supernationally
- superfoetations
- superexaltation
- superconduction
- supercomputings
- superadditional
- sulphurizations
- sulphurisations
- sulphonmethanes
- sulphathiazoles
- suboptimisation
- streptocarpuses
- strephosymbolia
- stratospherical
- stomatoplasties
- stilpnosiderite
- stigmatophilist
- stigmatophilias
- stereographical
- stegocephalians
- steganographist
- steganographies
- steganographers
- staphylorrhaphy
- staphyloplastic
- stadholderships
- splenectomising
- spironolactones
- spirochaetaemia
- spiritousnesses
- spheroidization
- spheroidisation
- spheroidicities
- sphaerosiderite
- sphaerocrystals
- spermatorrhoeas
- spermatogenetic
- spermatoblastic
- speleotherapies
- speechification
- slumpflationary
- septentrionally
- selenographists
- scrumptiousness
- scintilloscopes
- scintillascopes
- schizophrenetic
- salpingectomies
- rummlegumptions
- rummelgumptions
- rumblegumptions
- rontgenoscopies
- roentgenoscopic
- roentgenoscopes
- roentgenographs
- reprivatisation
- repolarisations
- rehospitalising
- reconceptualise
- reciprocalities
- pyrotechnicians
- pyrophotometers
- pyrophotographs
- pyretotherapies
- pyramidologists
- pyknodysostosis
- pyknodysostoses
- pycnodysostoses
- punctuationists
- pterylographies
- pteridophilists
- psychrometrical
- psychosomimetic
- psychogeriatric
- psychogenetical
- psychochemistry
- psilanthropists
- psilanthropisms
- pseudosolutions
- pseudomutuality
- pseudoarthrosis
- pseudoarthroses
- prussianisation
- protospatharius
- protospathaires
- protistologists
- prothonotariats
- prosenchymatous
- proselytisation
- propylitisation
- propositionally
- proportionments
- propagabilities
- prominentnesses
- prolocutorships
- proletarianness
- proletarianisms
- projectizations
- projectisations
- prohibitionisms
- progressionists
- progenitorships
- progenitiveness
- professionalist
- producibilities
- procuratorships
- procreativeness
- procrastinatory
- procrastinative
- processionalist
- proceleusmatics
- probationership
- probabiliorists
- prioritisations
- primordialities
- primogenitrixes
- primogenitrices
- pressurisations
- presentationist
- presentationism
- prenegotiations
- preformationism
- predevelopments
- predesignations
- predatorinesses
- preconstruction
- preconstructing
- pragmatizations
- pragmatisations
- potentiometries
- postulationally
- porphyrogenites
- popularisations
- pontificalities
- ponderabilities
- polysynthetisms
- polysynthetical
- polysynthesisms
- polychromatisms
- politicisations
- poliomyelitises
- poikilothermism
- poikilothermies
- pococuranteisms
- pneumoconiotics
- pneumatometries
- pneumatologists
- plasticisations
- plasmolytically
- plantaginaceous
- plagiostomatous
- pinealectomises
- pinealectomised
- piezomagnetisms
- phyllosilicates
- phototransistor
- phototelegraphs
- photosynthesise
- photosensitises
- photosensitiser
- photosensitised
- photoluminesces
- photoluminesced
- photoionisation
- photoelectrodes
- photoelasticity
- photoconductors
- phosphocreatins
- phosphatisation
- phoneticisation
- phonemicisation
- phlogisticating
- philosophasters
- phenomenalities
- phenakistoscope
- pharyngologists
- pharmacopolists
- pharmacopoeists
- pharmacognosist
- phantasmagories
- phantasmagorial
- phallocentrisms
- petrophysicists
- petrocurrencies
- personalisation
- perissodactylic
- perissodactyles
- periodontitises
- pergamentaceous
- patrifocalities
- patrializations
- patrialisations
- pasteurisations
- parthenocarpous
- parasitisations
- parametrisation
- parabolizations
- parabolisations
- pantopragmatics
- panophthalmitis
- palatalisations
- palaeozoologist
- palaeontologies
- palaeomagnetism
- palaeographists
- palaeoecologist
- palaeobotanists
- palaeobiologist
- palaebiologists
- ovoviviparities
- overcapitalises
- overcapitalised
- orthophosphoric
- ornithodelphous
- organotherapies
- organographists
- optimalizations
- optimalisations
- opsonifications
- opisthographies
- opisthognathism
- ophthalmometers
- oophorectomizes
- oophorectomises
- oophorectomised
- onychocryptosis
- onychocryptoses
- omoplatoscopies
- nucleoplasmatic
- nonpartizanship
- nonhospitalised
- nondescriptness
- noncomputerised
- neurocomputings
- nephroblastomas
- nephrectomising
- musicotherapies
- monopolisations
- monophthongizes
- monophthongises
- monophthongised
- mispunctuations
- misproportioned
- misimprovements
- misappreciation
- misacceptations
- micropyrometers
- micropegmatites
- microcomputings
- microcomponents
- metropolitanism
- metropolitanise
- metempsychosist
- metallographist
- mesaticephalous
- massotherapists
- malpresentation
- malappropriates
- lyophilisations
- lithontriptists
- lithonthryptics
- lipogrammatists
- lipogrammatisms
- lipodystrophies
- lexicographists
- leucocytopenias
- laryngoscopists
- lapidifications
- isoperimetrical
- irreciprocities
- introsusception
- inspirationists
- inspirationisms
- inopportunities
- inoperabilities
- inappreciations
- improvvisatrice
- improvvisatores
- improvisatrixes
- improvisatrices
- imposthumations
- importabilities
- impoliticnesses
- imperturbations
- ichthyophagists
- hystricomorphic
- hypsometrically
- hypostasization
- hypostasisation
- hyposensitising
- hypocrystalline
- hypochondriasts
- hypnotisability
- hydrotherapists
- homoplastically
- histocompatible
- heterostrophies
- hepaticologists
- heliosciophytes
- halfpennyworths
- graphitisations
- geomorphogenist
- galvanotropisms
- galvanoplasties
- galactopoietics
- ferroprussiates
- extemporariness
- expostulatingly
- explorationists
- evaporabilities
- epithelisations
- epicondylitises
- ephemeropterans
- enterohepatitis
- enhypostatizing
- enhypostatising
- encyclopaedists
- encephalotomies
- enantiomorphies
- empoverishments
- electroplatings
- electrophoruses
- electrographies
- edriophthalmous
- disincorporates
- disincorporated
- disimprisonment
- disempowerments
- disappropriates
- disappropriated
- disapplications
- diplomatologies
- diphenylketones
- diaphototropism
- diaphototropies
- diaheliotropism
- dextrophosphate
- desulphurations
- dermatoplasties
- dermatophytoses
- dermatographies
- dermatographias
- depolarisations
- deplorabilities
- dephlogisticate
- dehypnotisation
- daguerreotypers
- dactylographies
- dactylographers
- cytopathologies
- cyclopentolates
- cryptographists
- corruptibleness
- correspondently
- corporatenesses
- cooperativities
- contrapuntalist
- contemporaneans
- contemperatures
- contemperations
- consumptivities
- consumptiveness
- conspiratresses
- conscriptionist
- conduplications
- conceptualisers
- computerisation
- compotationship
- compositenesses
- compliantnesses
- complementisers
- competentnesses
- compactednesses
- commandantships
- climatographies
- circumpositions
- chromotherapies
- chromatospheres
- chromatophorous
- chemopsychiatry
- chemoautotrophs
- chaptalizations
- chaptalisations
- chalcographists
- cercopithecoids
- centuplications
- cathodographies
- cathodographers
- castanospermine
- carpometacarpus
- capitalisations
- bisphosphonates
- bipolarisations
- bioprospectings
- bibliophilistic
- bespottednesses
- batrachophobias
- balneotherapies
- archpriesthoods
- appropinquities
- apprenticehoods
- apothegmatising
- apophthegmatist
- apophthegmatise
- apoliticalities
- apheliotropisms
- antiphlogistics
- anthroposophist
- anthropopsychic
- anthropophuisms
- anthropophobics
- anthropophobias
- anthropopathies
- anthropometrist
- anthropolatries
- anthropogeneses
- antaphrodisiacs
- actinotherapies
- acroparesthesia
- absorptiometers
- unprotectedness
- transposability
- trachelospermum
- torpediniformes
- theophrastaceae
- tetrasporangium
- superordination
- stenopelmatidae
- spongioblastoma
- spirochaetaceae
- spectroscopical
- self-pollination
- self-pollinating
- self-opinionated
- self-improvement
- self-explanatory
- self-description
- sciadopityaceae
- pycnodysostosis
- ptilonorhynchus
- prospectiveness
- praisworthiness
- poverty-stricken
- poitou-charentes
- poikilothermous
- panhysterectomy
- oppositionality
- opisthorchiasis
- opisthognathous
- opisthobranchia
- nonpsychoactive
- nonenterprising
- nephrolithiasis
- mycoplasmatales
- mephistophelian
- mephistophelean
- lymphoblast-like
- low-spiritedness
- leptosporangium
- leptomeningitis
- hypovitaminosis
- hypostatisation
- gasterophilidae
- europeanisation
- dermatophytosis
- decompositional
- dactyloscopidae
- ctenocephalides
- cryptacanthodes
- cosmopolitanity
- closed-captioned
- brownish-striped
- balanoposthitis
- bacteriophagous
- anthropogenesis
- alphabetisation
- aegyptopithecus
- acousticophobia
- accipitriformes
Phrases (440)
- water absorption
- vegetable sponge
- unpleasant woman
- tussilago alpina
- tarzan of the apes
- styrax japonicum
- stonecrop family
- startle response
- standup comedian
- stamp collecting
- stable companion
- spur-of-the-moment
- spreading factor
- sports implement
- sports equipment
- sports announcer
- spiritual domain
- spelling contest
- speech community
- special contract
- spatial relation
- spatial property
- southern baptist
- sound perception
- software product
- shorthand typist
- serial operation
- security deposit
- saturation point
- research project
- rescue operation
- res ipsa loquitur
- psychotic belief
- prunus domestica
- product research
- procrustean rule
- president wilson
- president hoover
- practice session
- positive balance
- political system
- political sphere
- polar opposition
- pocket billiards
- plexus caroticus
- pit of the stomach
- physical contact
- physeter catodon
- personality test
- personal matters
- personal effects
- personal chattel
- osmotic pressure
- orycteropus afer
- organ transplant
- operating system
- neotoma fuscipes
- mustela putorius
- monterey cypress
- logistic support
- local post office
- line one's pockets
- leguminous plant
- lagopus scoticus
- joseph priestley
- john witherspoon
- iridaceous plant
- intravenous drip
- historical paper
- gossip columnist
- genus rhinoptera
- genus priodontes
- genus potentilla
- genus lophodytes
- genus himantopus
- genus haematopus
- genus geothlypis
- genus dasyprocta
- genus aspidiotus
- genus artocarpus
- emotional person
- eccentric person
- ebony spleenwort
- domestic prelate
- department store
- dasyprocta aguti
- compositor's case
- composite number
- capital of sweden
- capital of kansas
- capital of israel
- capital of cyprus
- capital of alaska
- branta leucopsis
- bellbottom pants
- basic assumption
- band of partisans
- avoirdupois unit
- automatic pistol
- asperula odorata
- ascidian tadpole
- apothecary's shop
- apetalous flower
- ancestor worship
- alto saxophonist
- alluvial deposit
- alliaceous plant
- acer platanoides
- accounts payable
- zalophus lobatus
- xyris operculata
- william thompson
- william paterson
- white snapdragon
- whistle-stop tour
- weapons platform
- vena perforantis
- vena occipitalis
- us postal service
- typhoid bacillus
- twenty-two pistol
- twelve olympians
- tropaeolum minus
- tropaeolum majus
- trifolium repens
- trial impression
- tongue depressor
- tobacconist shop
- temporal canthus
- temple of solomon
- temple of artemis
- telescopic sight
- telephone system
- taste perception
- tallapoosa river
- synoptic gospels
- swertia speciosa
- sweet potato vine
- swamp cottonwood
- suspension point
- suspense account
- suppurating sore
- supporting tower
- support stocking
- studio apartment
- striped muishond
- stretch receptor
- stock photograph
- stevens' power law
- stephen sondheim
- stephen jay gould
- stephen a. douglas
- steel production
- stateless person
- stamp collection
- stagnant hypoxia
- spotted weakfish
- spotted sea trout
- spotted eagle ray
- spore mother cell
- spinal nerve root
- speak of the devil
- space laboratory
- southern cypress
- sound projection
- software program
- software package
- sodium phosphate
- soapwort gentian
- snapshot program
- slip-joint pliers
- slip of the tongue
- sir peter ustinov
- sir joseph paxton
- sir jacob epstein
- shipboard system
- seriphus politus
- sensory receptor
- seidlitz powders
- saxicolous plant
- saturnia pavonia
- saratoga springs
- sampling station
- salyut programme
- salmonella typhi
- rupicolous plant
- rubiaceous plant
- respiratory rate
- replacement cost
- pyramids of egypt
- pyloric stenosis
- push-down storage
- push-button radio
- pulse modulation
- public transport
- public relations
- ptolemaic system
- pterygoid plexus
- pterygoid muscle
- psychotic person
- protoctist order
- protoctist genus
- proteus anguinus
- promotion system
- process printing
- printing process
- primitive person
- president taylor
- president monroe
- prairie sagewort
- powdered mustard
- potassium iodide
- potage st. germain
- posthumous birth
- postfix notation
- postage franking
- portuguese heath
- portacaval shunt
- port jackson pine
- population shift
- pope sylvester ii
- pope callixtus ii
- police constable
- point of apoapsis
- pocketbook issue
- plectognath fish
- plasterer's float
- planck's constant
- plains spadefoot
- pityriasis rosea
- pitot-static tube
- pisonia aculeata
- pin-tailed grouse
- pilot blacksnake
- pieris protodice
- picture postcard
- picea orientalis
- phenolic plastic
- phase transition
- phase modulation
- persona non grata
- person agreement
- pentatonic scale
- penstemon parryi
- penstemon dolius
- pectoralis minor
- pectoralis major
- past progressive
- passion of christ
- paspalum notatum
- parry's penstemon
- painted tortoise
- pacific sturgeon
- oxylebius pictus
- order therapsida
- order psocoptera
- order psilotales
- order parietales
- order opuntiales
- oral personality
- optical illusion
- opportunity cost
- okapia johnstoni
- odontoid process
- observation post
- northern baptist
- non compos mentis
- no-par-value stock
- newspaper editor
- news photography
- myocastor coypus
- mountain spinach
- most importantly
- mobula hypostoma
- military posture
- microscope stage
- mesophytic plant
- memory apparatus
- meat and potatoes
- magnetic compass
- lobed spleenwort
- liliaceous plant
- light microscope
- lesser spearwort
- lepiota rhacodes
- legal separation
- lasiocampid moth
- large tooth aspen
- joseph e. johnston
- japanese apricot
- isthmus of panama
- intercom speaker
- important person
- implements of war
- imperforate anus
- hypostatic union
- hyponitrous acid
- hypogastric vein
- himantopus stilt
- herbaceous plant
- herb christopher
- heat prostration
- heat dissipation
- haptic sensation
- grigori rasputin
- green turtle soup
- green spleenwort
- great depression
- gramineous plant
- grade separation
- gospel of matthew
- gestation period
- genus utahraptor
- genus tropaeolum
- genus tragopogon
- genus tolypeutes
- genus thermopsis
- genus thamnophis
- genus synaptomys
- genus stropharia
- genus steganopus
- genus spodoptera
- genus sitophylus
- genus pylodictus
- genus ptychozoon
- genus pteropogon
- genus pterocarya
- genus pternohyla
- genus psychotria
- genus pritzelago
- genus potamophis
- genus potamogale
- genus pontederia
- genus polybotrya
- genus polybotria
- genus polioptila
- genus polianthes
- genus pogostemon
- genus phytolacca
- genus pholistoma
- genus petromyzon
- genus pecopteris
- genus parochetus
- genus ostryopsis
- genus oreopteris
- genus omphalotus
- genus odontaspis
- genus leptospira
- genus lactophrys
- genus hynerpeton
- genus eupatorium
- genus eumetopias
- genus ectopistes
- genus dryopteris
- genus dipteronia
- genus diplotaxis
- genus cystophora
- genus cynopterus
- genus crotophaga
- genus cephalotus
- genus camponotus
- genus astropogon
- genus aplodontia
- forgetful person
- fluorescent lamp
- fictitious place
- feature of speech
- feathertop grass
- exposure therapy
- european lobster
- european catfish
- equestrian sport
- epigastric fossa
- ects-credit point
- dryas octopetala
- dry plate process
- domestic partner
- dipterous insect
- diplomatic corps
- diane de poitiers
- desktop computer
- depth psychology
- damon and pythias
- cyperus rotundus
- ctenophore genus
- crotalus lepidus
- cotes de provence
- coragyps atratus
- coprinus comatus
- consumption weed
- computing system
- computer storage
- computer science
- computer display
- computer address
- composite school
- complex sentence
- colaptes auratus
- cleanup position
- class psilotatae
- class polychaeta
- class gnetopsida
- class gastropoda
- clapp's favourite
- catalpa speciosa
- castor bean plant
- caspar bartholin
- cactus euphorbia
- bypass capacitor
- butea monosperma
- bulletproof vest
- built-soap powder
- brussels sprouts
- bristlecone pine
- boletus variipes
- boletus pallidus
- black spleenwort
- bigtoothed aspen
- big-toothed aspen
- battle of sempach
- battle of plassey
- battle of cowpens
- batch processing
- basket spikemoss
- aversion therapy
- autonomic plexus
- auditory aphasia
- atomic explosion
- astilbe japonica
- apostolic palace
- apostelic father
- apogon maculatus
- angular position
- anatropous ovule
- anal personality
- alpine coltsfoot
- aliterate person
- aedes albopictus
- active transport
- acoustic aphasia
