15-Letter Words Containing: O,O,R,S
(In Any Order)
There are 988 15 letter words,
554 15 letter phrases and
0 15 letter abbr's with
O,O,R,S in.
Best Scoring for Word Games
| Word | Save | Length | Usage | Points | Type | ||
|---|---|---|---|---|---|---|---|
| psychobiography | 15 | 36 | nounn | ||||
Valid word for Scrabble US
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| hydroxyprolines | 15 | 34 | nounn | ||||
noun • a crystalline amino acid obtained from gelatin or collagen | |||||||
| demythologizers | 15 | 34 | nounn | ||||
Valid word for Scrabble US
| |||||||
| overhomogenizes | 15 | 33 | verbv | ||||
Valid word for Scrabble US
| |||||||
| chlorpromazines | 15 | 33 | noun, adjectiven, adj | ||||
noun • a drug (trade name Thorazine) derived from phenothiazine that has antipsychotic effects and is used as a sedative and tranquilizer | |||||||
| chlorothiazides | 15 | 33 | noun, adjectiven, adj | ||||
noun • a diuretic drug (trade name Diuril) used in the treatment of edema and hypertension | |||||||
| synchronization | 15 | 32 | verb, nounv, n | ||||
noun • the relation that exists when things occur at the same time • an adjustment that causes something to occur or recur in unison • coordinating by causing to indicate the same time | |||||||
| hypothyroidisms | 15 | 32 | nounn | ||||
noun • an underactive thyroid gland; a glandular disorder resulting from insufficient production of thyroid hormones | |||||||
| cryptozoologist | 15 | 32 | nounn | ||||
Valid word for Scrabble US
| |||||||
| cryptozoologies | 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 (988)
- congratulations
- revolutionaries
- professionalism
- insubordination
- synchronization
- personification
- monounsaturated
- photojournalist
- prognostication
- overzealousness
- procrastination
- electrophoresis
- uncontroversial
- improvisational
- photojournalism
- nonprofessional
- superimposition
- neoconservative
- microscopically
- synchronisation
- conservationist
- vasoconstrictor
- neurophysiology
- disorganization
- cytomegalovirus
- controversially
- stereoisomerism
- overstimulation
- gastronomically
- constructionist
- postoperatively
- inconsideration
- interrogatories
- unceremoniously
- reconsideration
- incomprehension
- endocrinologist
- correspondingly
- contemporaneous
- troubleshooting
- prognosticating
- rationalisation
- phosphorescence
- misconstruction
- counterproposal
- atherosclerosis
- ultrasonography
- promiscuousness
- prognosticative
- professionalize
- phosphocreatine
- nonprescription
- neurohypophysis
- meritoriousness
- inopportuneness
- extemporisation
- disproportional
- cooperativeness
- connoisseurship
- comfortableness
- agranulocytosis
- uncompromisable
- ultramicrotomes
- trypanosomiasis
- trisoctahedrons
- transpositional
- transformations
- thyroidectomies
- thromboplastins
- thermoreceptors
- suborganization
- stoichiometries
- sociohistorical
- socioculturally
- schoolmasterish
- roentgenologist
- ribonucleotides
- revolutionizers
- revolutionising
- resocialization
- reorganizations
- reorchestration
- remobilizations
- reinvigorations
- recommendations
- reafforestation
- psychohistorian
- protozoologists
- proselytization
- prognosticators
- presuppositions
- preprofessional
- predispositions
- posthemorrhagic
- polymerisations
- photoperiodisms
- photoengravings
- photoautotrophs
- personalization
- parasitologists
- overhomogenizes
- overevaluations
- overdecorations
- overconsumption
- overcomplicates
- osmoregulations
- orthophosphates
- orchestrational
- operationalists
- odoriferousness
- nonrandomnesses
- nonprofessorial
- nonimportations
- nonelectrolytes
- nonconstructive
- nonconformities
- noncompressible
- nitrocelluloses
- neuroblastomata
- neuroanatomists
- monounsaturates
- monosaccharides
- monopropellants
- microprocessors
- microbiologists
- liturgiologists
- kremlinologists
- introspectional
- interconversion
- intercommunions
- improvisatorial
- hypersomnolence
- homotransplants
- historiographic
- heterogeneously
- glucocorticoids
- foreordinations
- foolhardinesses
- floriferousness
- electrophoresed
- electromyograms
- echinodermatous
- disproportioned
- disorientations
- disapprobations
- diastereoisomer
- demonstrational
- decontaminators
- deconstructions
- countermelodies
- corticotrophins
- corticosterones
- contortionistic
- congresspersons
- conglomerations
- confectioneries
- confectionaries
- concretizations
- concessionaires
- commissionaires
- commensurations
- coinvestigators
- chlorpromazines
- categorizations
- bronchodilators
- bioregionalists
- biodegradations
- autoradiographs
- autobiographers
- astrophotograph
- astrobiologists
- anticholesterol
- anthroposophies
- anthropometries
- allotetraploids
- acrimoniousness
- thromboembolism
- ceremoniousness
- carnivorousness
- atherosclerotic
- anthropophagous
- worrisomenesses
- voraciousnesses
- unprofessionals
- unfossiliferous
- turbogenerators
- trypanosomiases
- troublousnesses
- troubleshooters
- trichomonacides
- transportations
- thermoperiodism
- thermojunctions
- synchronousness
- superphenomenon
- superovulations
- supererogations
- superconductors
- subprofessional
- subcontraoctave
- strongyloidosis
- strongyloidoses
- stratovolcanoes
- stockbrokerages
- steroidogenesis
- steroidogeneses
- stereologically
- sporangiophores
- spectroscopists
- sorrowfulnesses
- seroconversions
- semipornography
- sclerotizations
- rumormongerings
- roentgenologies
- ribonucleosides
- rheumatologists
- revalorizations
- retroreflectors
- retrogradations
- retinoblastomas
- repolarizations
- remonetizations
- reintroductions
- reconstructions
- reconstitutions
- reconsolidating
- reconsecrations
- reconfirmations
- reconciliations
- recommissioning
- recolonizations
- recodifications
- radiotelephones
- radiostrontiums
- radiobiologists
- radioautographs
- psychoneurotics
- psychohistories
- psychobiography
- pseudoscorpions
- pseudomorphisms
- provocativeness
- protoporphyrins
- protohistorians
- prosthodontists
- prostatectomies
- prosopographies
- proprioceptions
- proprietorships
- pronunciamentos
- promotivenesses
- promotabilities
- prohibitionists
- procrastinators
- prioritizations
- preponderations
- preformationist
- posttransfusion
- poststimulatory
- postproductions
- postirradiation
- popularizations
- ponderousnesses
- polymerizations
- phototypesetter
- photosensitizer
- photoreductions
- photoreceptions
- phosphorylative
- phosphorylation
- phosphorylating
- phosphoproteins
- philanthropoids
- phenobarbitones
- pharmacologists
- pharmacognostic
- pharmacognosies
- pentobarbitones
- parasitological
- oxidoreductases
- ovoviviparously
- overspeculation
- oversaturations
- overregulations
- overprotections
- overproportions
- overproductions
- overpopulations
- overpersuasions
- overorchestrate
- overmedications
- overextractions
- overestimations
- overdiscounting
- overconstructed
- overconfidences
- overcompressing
- overcompliances
- overcompensates
- overcompensated
- overcommitments
- outdoorsmanship
- oscillographies
- orthopsychiatry
- orthogonalities
- organometallics
- organochlorines
- optoelectronics
- opprobriousness
- opportunenesses
- operationalisms
- obstructionists
- obstructionisms
- observationally
- nonuniformities
- nonsegregations
- nonrecombinants
- nonrecognitions
- nonphilosophers
- nonperformances
- nonintercourses
- noninformations
- nonenforcements
- noncorrelations
- noncooperations
- nonconstruction
- nonconservative
- nonconservation
- nonconformances
- nonconcurrences
- noncelebrations
- nonastronomical
- nonaristocratic
- nincompooperies
- neurotoxicities
- neurosecretions
- neurohypophyses
- neurobiologists
- multiprocessors
- monstrousnesses
- monocrystalline
- monochromatisms
- mongrelizations
- misrecollection
- misorientations
- misinformations
- miscorrelations
- microtonalities
- microsporocytes
- micropulsations
- microprojectors
- microporosities
- micrometeoroids
- micrometeorites
- microinjections
- microevolutions
- microelectrodes
- microdissection
- microcosmically
- microbarographs
- megasporophylls
- macroevolutions
- macrocosmically
- lymphosarcomata
- labyrinthodonts
- laboriousnesses
- ionospherically
- intercomparison
- indoctrinations
- incoordinations
- hypothyroidisms
- hypochondriases
- hydroxyprolines
- hydrocortisones
- hydrobiologists
- horizontalities
- honorablenesses
- hexylresorcinol
- heteromorphisms
- hemoglobinurias
- hemochromatoses
- glamorousnesses
- geostrophically
- geomorphologist
- geomorphologies
- geometrizations
- geohydrologists
- geochronologist
- geochronologies
- frivolousnesses
- ferociousnesses
- excommunicators
- eutrophications
- ethnohistorical
- ethnohistorians
- erythropoietins
- erroneousnesses
- enterogastrones
- enterocolitises
- endocrinologies
- enantiomorphous
- electrophoreses
- electrodeposits
- electroacoustic
- econometricians
- ecocatastrophes
- echocardiograms
- dorsoventrality
- disinformations
- disconformities
- dichloroethanes
- deuteranomalous
- depolarizations
- dephosphorylate
- demythologizers
- demoralizations
- deconsecrations
- decolorizations
- dechlorinations
- cryptozoologist
- cryptozoologies
- cryptosporidium
- cryoprotectants
- courteousnesses
- counterresponse
- counterquestion
- counterprotests
- counterprojects
- councillorships
- cotransductions
- corticosteroids
- corrosivenesses
- correspondences
- corporealnesses
- cooperationists
- controllerships
- contrapositives
- contrapositions
- contradictories
- containerboards
- conservatorship
- congruousnesses
- congressionally
- conglomerateurs
- concelebrations
- computerphobias
- colorlessnesses
- colorfastnesses
- claustrophobias
- clamorousnesses
- circumvolutions
- circumlocutions
- chronotherapies
- chronobiologist
- chronobiologies
- chordamesoderms
- chondrocraniums
- chlorpropamides
- chlorothiazides
- chemoreceptions
- cephalothoraxes
- cephalothoraces
- carcinosarcomas
- bronchoscopists
- bowdlerizations
- bourgeoisifying
- bipolarizations
- bioremediations
- bioregionalisms
- biogeochemistry
- bacteriologists
- autotransfusion
- autotransformer
- autotetraploids
- autobiographies
- atrociousnesses
- atheroscleroses
- ariboflavinosis
- ariboflavinoses
- apolipoproteins
- antiforeclosure
- antiabortionist
- anthropophagies
- anthropologists
- amorphousnesses
- allelomorphisms
- allegorizations
- agranulocytoses
- aerosolizations
- adenocarcinomas
- achondroplasias
- ultramicroscope
- troublesomeness
- prepositionally
- organophosphate
- oligosaccharide
- neuropsychology
- neoconservatism
- morphophonemics
- microsporophyll
- microsporangium
- macroscopically
- incongruousness
- hypochondriasis
- historiographer
- hemochromatosis
- enantiomorphism
- electropositive
- dessertspoonful
- crossopterygian
- comptrollership
- chorioallantois
- boustrophedonic
- anthropopathism
- anisotropically
- achondroplastic
- nonstationaries
- nonprogressives
- nonoverlappings
- endometriosises
- anticorruptions
- watercolourists
- vitriolizations
- vitriolisations
- vibroflotations
- uterogestations
- ultramicroscopy
- tropicalisation
- trinitrotoluols
- trinitrophenols
- trinitrocresols
- triiodomethanes
- topochemistries
- thremmatologies
- thoracoplasties
- thoracocenteses
- thermoelectrons
- thermochromisms
- theriomorphosis
- theriomorphoses
- theriomorphisms
- telomerizations
- telomerisations
- telestereoscope
- telephotographs
- synchronoscopes
- synchronologies
- symmetrophobias
- symbolographies
- superfoetations
- superconduction
- suborganisation
- subcommissioner
- strombuliferous
- strobilizations
- strobilisations
- strephosymbolia
- stoicheiometric
- stoechiometries
- stereoisometric
- sporangiospores
- spironolactones
- spheroidization
- spheroidisation
- spermatorrhoeas
- showerproofings
- scolopendriform
- sclerotisations
- sclerodermatous
- schoolmistressy
- schoolmastering
- rostrocarinates
- rontgenoscopies
- rontgenologists
- rontgenizations
- rontgenisations
- rollercoastered
- roentgenoscopic
- roentgenoscopes
- roentgenographs
- roentgenisation
- rhombporphyries
- rhombenporphyrs
- rhinoscleromata
- revolutionisers
- revalorisations
- retrogressional
- retrocognitions
- restorationists
- restorationisms
- resocialisation
- repolarisations
- reorganisations
- renormalisation
- remythologising
- remoralizations
- remoralisations
- remonetisations
- remobilisations
- regionalisation
- reformationists
- reconsolidation
- reconnoissances
- recondensations
- recolonisations
- reauthorisation
- rancorousnesses
- radioscopically
- radiophosphorus
- pyrophotometers
- pyrophotographs
- pyramidologists
- pseudoarthrosis
- pseudoarthroses
- protospatharius
- protospathaires
- protistologists
- prothonotariats
- prosopographers
- proslambanomene
- prosenchymatous
- proselytisation
- propylitisation
- propositionally
- proportionments
- properispomenon
- pronominalising
- prolocutorships
- projectizations
- projectisations
- prohibitionisms
- progressionists
- progressionisms
- progressionally
- progenitorships
- professionalist
- procuratorships
- procrastinatory
- processionalist
- probationership
- probabiliorists
- probabiliorisms
- prioritisations
- prenegotiations
- preformationism
- preconstruction
- potentiometries
- porphyrogenites
- popularisations
- polysaccharoses
- polychromatisms
- poikilothermism
- poikilothermies
- pococuranteisms
- phototransistor
- phototelegraphs
- photosensitiser
- photoelectrodes
- photoconductors
- phosphoroscopes
- phosphocreatins
- phlebosclerosis
- phleboscleroses
- philosophasters
- pharyngoscopies
- pharyngologists
- pharmacopolists
- pharmacopoeists
- pharmacognosist
- personalisation
- periodontitises
- passifloraceous
- parthenocarpous
- parabolizations
- parabolisations
- ovoviviparities
- overhomogenises
- overhomogenised
- overglamorising
- overforwardness
- overflourishing
- overcorrections
- osteoarthritics
- orthophosphoric
- orthogonalising
- orthochromatism
- ornithodelphous
- organotherapies
- organographists
- orchesographies
- oraculousnesses
- opisthographies
- ophthalmometers
- oophorectomizes
- oophorectomises
- oophorectomised
- onychocryptosis
- onychocryptoses
- oneirocriticism
- omnifariousness
- oligomerisation
- oestrogenically
- odontorhynchous
- octocentenaries
- obstructionally
- novocentenaries
- notoriousnesses
- norethisterones
- noncomputerised
- nitrogenisation
- neuroethologies
- neurocomputings
- nephroblastomas
- narcoterrorists
- narcoterrorisms
- myristicivorous
- myocardiographs
- mortiferousness
- morphinomaniacs
- monosymmetrical
- mongrelisations
- misproportioned
- micropyrometers
- microprocessing
- microdetections
- microcomputings
- microcomponents
- microaerophiles
- metropolitanism
- metropolitanise
- metagrobolising
- mechanomorphism
- lithochromatics
- lipodystrophies
- lepidodendroids
- laryngoscopists
- journalizations
- journalisations
- introsusception
- interosculation
- interiorisation
- interconnexions
- interconnectors
- inorganizations
- inorganisations
- inopportunities
- inodorousnesses
- improvvisatores
- immunoreactions
- immortalisation
- hystricomorphic
- hypophosphorous
- hypomenorrhoeas
- hypochondriasts
- hypochondriasms
- hygroscopically
- hydrosulphurous
- hydrogeologists
- hydrogenisation
- hydroextractors
- hydrocorallines
- hydrocelluloses
- householdership
- homoeomorphisms
- homochromatisms
- holocrystalline
- heterostrophies
- heterosociality
- heterodactylous
- heterochronisms
- herbivorousness
- haemocytometers
- grammatologists
- glossographical
- geothermometers
- geomorphogenist
- geomorphogenies
- geometrisations
- geodemographics
- galvanotropisms
- fractionisation
- formularisation
- forgottennesses
- foreshortenings
- foreordainments
- explorationists
- enthronizations
- enthronisations
- endoradiosondes
- enchondromatous
- enantiomorphies
- eleutherococcus
- electrophoruses
- electromotances
- electrolysation
- electroformings
- edriophthalmous
- ectomycorrhizas
- dysmorphophobia
- downregulations
- dolichosauruses
- disincorporates
- disincorporated
- disharmoniously
- disforestations
- disconfirmation
- discomboberates
- discomboberated
- discolourations
- diaphototropism
- diaphototropies
- diaheliotropism
- dextrorotations
- dextrophosphate
- devalorizations
- devalorisations
- dermatophytoses
- depolarisations
- demythologisers
- demoralisations
- demeritoriously
- dehydroretinols
- deglamorisation
- decommissioners
- decolourisation
- decolorisations
- decarbonisation
- cyclobarbitones
- counsellorships
- corrosibilities
- corrodibilities
- correspondently
- correligionists
- corporatenesses
- cooperativities
- convulsionaries
- conveyorisation
- conversationism
- contrariousness
- contortednesses
- contesserations
- contemporaneans
- contemperations
- constructionism
- conservatoriums
- conscriptionist
- conformableness
- confessionaries
- concretisations
- concessionnaire
- concessionaries
- computerisation
- comfortlessness
- colourfulnesses
- colourabilities
- circumpositions
- circumforaneous
- chromotherapies
- chromatospheres
- chromatophorous
- chromatologists
- chondroskeleton
- chondrophorines
- cholesterolemia
- chlorthalidones
- chloritizations
- chloritisations
- chemoautotrophs
- cercopithecoids
- cathodographies
- cathodographers
- categorisations
- caprifoliaceous
- calorifications
- bronchoscopical
- bronchographies
- bronchiolitises
- bowdlerisations
- bloodthirstiest
- bipolarisations
- bioprospectings
- bioastronautics
- batrachophobias
- astronavigators
- astrogeologists
- archpriesthoods
- archeozoologist
- archeozoologies
- archeobotanists
- archeoastronomy
- archaezoologies
- archaeobotanist
- archaeobotanies
- apprenticehoods
- apheliotropisms
- antithrombotics
- anthroposophist
- anthropopsychic
- anthropophuisms
- anthropophobics
- anthropophobias
- anthropopathies
- anthropometrist
- anthropolatries
- anthropogeneses
- andromonoecisms
- andromonoecious
- andromedotoxins
- androgynophores
- anamorphoscopes
- allegorisations
- alcoholometries
- aerosolisations
- aerolithologies
- aerohydroplanes
- achromatisation
- absorptiometers
- yellowish-orange
- ureterostenosis
- trondheimsfjord
- toulouse-lautrec
- torpediniformes
- thoracocentesis
- superordination
- stercobilinogen
- state-controlled
- sphaerobolaceae
- spectroscopical
- self-reformation
- scomberesocidae
- sauropodomorpha
- sarcosomataceae
- round-shouldered
- romanticisation
- reithrodontomys
- reharmonisation
- re-afforestation
- ptilonorhynchus
- professionalise
- poitou-charentes
- poikilothermous
- peronosporaceae
- overutilisation
- ornithorhynchus
- opisthorchiasis
- opisthobranchia
- nitrosobacteria
- nephrosclerosis
- memorialisation
- macrosporangium
- leptosporangium
- laryngostenosis
- gymnosporangium
- gossipmongering
- gorgonocephalus
- good-naturedness
- good-humoredness
- four-dimensional
- forthcomingness
- flavoursomeness
- exteriorisation
- europeanisation
- dromaeosauridae
- downward-sloping
- disorganisation
- dermatophytosis
- dermatomyositis
- democratisation
- cross-questioner
- counter-sabotage
- costochondritis
- conversationist
- contraclockwise
- circumlocutious
- chrysochloridae
- chorioretinitis
- chestnut-colored
- broad-shouldered
- brachistochrone
- bacteriophagous
- autofluorescent
- astronavigation
- aspidophoroides
- aristolochiales
- aphyllophorales
- anthropogenesis
- adenomyosarcoma
Phrases (554)
- water absorption
- violent disorder
- two-year-old horse
- turn one's stomach
- tower of strength
- theodore dreiser
- tetrao urogallus
- taurotragus oryx
- suborder oscines
- suborder ophidia
- stuffed mushroom
- stratford-on-avon
- strait of georgia
- straight shooter
- stonecrop family
- spur-of-the-moment
- sports announcer
- sound reflection
- sound perception
- sorbus domestica
- solidago bicolor
- solemnity of mary
- solar prominence
- soil conditioner
- software product
- sodium hydroxide
- singapore dollar
- silicone polymer
- seriola dorsalis
- serial operation
- sergei prokofiev
- scorpaenoid fish
- scomber scombrus
- school principal
- school newspaper
- scholarly person
- saturation point
- robert e. sherwood
- reverend dodgson
- rescue operation
- religious person
- regius professor
- reciprocal cross
- raffaello sanzio
- president hoover
- polyphonic prose
- polar opposition
- pigeon droppings
- physeter catodon
- personal pronoun
- osmotic pressure
- orycteropus afer
- orthodox judaism
- order volvocales
- order rhoeadales
- order rajiformes
- order of business
- order gruiformes
- oliver goldsmith
- non-water-soluble
- microcosmic salt
- maria montessori
- logistic support
- loch ness monster
- livingroom suite
- living-room suite
- line of reasoning
- joyce carol oates
- john witherspoon
- ironmonger's shop
- hussein of jordan
- hostile takeover
- hookworm disease
- hooded sheldrake
- honeymoon resort
- hoary golden bush
- group discussion
- gloriosa superba
- geologic process
- genus tichodroma
- genus scorzonera
- genus sceloporus
- genus rhizophora
- genus priodontes
- genus podocarpus
- genus orthotomus
- genus lycoperdon
- genus hyalophora
- genus holothuria
- genus eriobotrya
- genus anthoceros
- genus ailuropoda
- freedom of speech
- fraxinus oregona
- fourth dimension
- fossorial mammal
- emotional person
- ebony spleenwort
- diospyros ebenum
- deliver the goods
- dehydrated foods
- deciduous forest
- dalbergia sissoo
- customer's broker
- cuscuta gronovii
- crossword puzzle
- council of elders
- coronoid process
- copper-base alloy
- confederate rose
- compositor's case
- composite number
- common horsetail
- class ciliophora
- city of san marino
- cirsium discolor
- chromatic vision
- chicory escarole
- charles goodyear
- cavity resonator
- carnassial tooth
- boott's goldenrod
- bartholomeu dias
- background noise
- bachelor's button
- avoirdupois unit
- auditory ossicle
- ateles geoffroyi
- asperula odorata
- arturo toscanini
- artist's workroom
- apothecary's shop
- apetalous flower
- anorexia nervosa
- anemone nemorosa
- ancestor worship
- alveolar process
- across the nation
- absorbent cotton
- wound tumor virus
- woolly sunflower
- woodworking vise
- wood meadowgrass
- women's army corps
- white rhinoceros
- whistle-stop tour
- weapons platform
- volatile storage
- vireo solitarius
- vireo olivaceous
- unwelcome person
- twenty-four hours
- tuberous begonia
- tropaeolum minus
- tropaeolum majus
- trash collection
- transverse colon
- transaction cost
- toxostoma rufums
- tongue depressor
- tobacco industry
- thomas jefferson
- tallapoosa river
- sword of damocles
- sweet four o'clock
- swamp rose mallow
- sutura coronalis
- surrogate mother
- supporting tower
- support stocking
- superoxide anion
- summer crookneck
- subordinate word
- stockbroker belt
- stock photograph
- steel production
- steel oneself for
- st. anthony's cross
- spotted sea trout
- spore mother cell
- spinal nerve root
- spike microphone
- space laboratory
- southern live oak
- south frigid zone
- south carolinian
- sound projection
- sorghum molasses
- sophora sinensis
- sophora japonica
- solid-fuel rocket
- software program
- sodium-vapor lamp
- sodium carbonate
- social democracy
- soapwort gentian
- snowdrop anemone
- snapshot program
- smooth earthball
- smooth crabgrass
- smooth bark kauri
- smokeless powder
- slopseller's shop
- skew correlation
- sixty-fourth note
- sir thomas malory
- sir joseph paxton
- sinus coronarius
- simon de montfort
- silvery wormwood
- siege of yorktown
- side-fill monitor
- sida rhombifolia
- shoulder holster
- short-term memory
- shooting gallery
- sensory receptor
- sensible horizon
- seneka snakeroot
- senega snakeroot
- seneca snakeroot
- sendero luminoso
- secondary school
- second-hand store
- school of nursing
- saxe-coburg-gotha
- sawdust mushroom
- sao joao de meriti
- russian orthodox
- rupicolous plant
- rosid dicot genus
- roseola infantum
- rolando's fissure
- robinson jeffers
- robert tyre jones
- risk of infection
- ringer's solution
- ring-around-a-rosy
- requisition form
- religious school
- refuse collector
- red-skinned onion
- red osier dogwood
- recording studio
- read-only storage
- rattlesnake root
- raisin-nut cookie
- railroad station
- rabbit's-foot fern
- pyloric stenosis
- push-down storage
- push-button radio
- pull in one's horns
- psychotic person
- protoctist order
- protoctist genus
- promotion system
- progressive rock
- proboscis monkey
- proboscis flower
- pride of barbados
- president monroe
- precision cookie
- prairie schooner
- posthumous birth
- port jackson pine
- podocarpus amara
- pieris protodice
- phosphorous acid
- personnel office
- persona non grata
- pectoralis minor
- pectoralis major
- pawnbroker's shop
- passion of christ
- parochial school
- parker house roll
- parasol mushroom
- painted tortoise
- otto von bismarck
- organic disorder
- order secotiales
- order rheiformes
- order psocoptera
- order psilotales
- order piciformes
- order orchidales
- order opuntiales
- order notostraca
- order moniliales
- order insessores
- order helotiales
- order ginkgoales
- order gadiformes
- order eurotiales
- oral personality
- opportunity cost
- ophrys sphegodes
- one-thirty-second
- oliver ellsworth
- old-age pensioner
- oil conservation
- odontoid process
- obstetrical toad
- observation post
- observation dome
- northern woodsia
- northern lobster
- noonan's syndrome
- no-par-value stock
- news photography
- new world sparrow
- nestor notabilis
- nervous disorder
- nasofrontal vein
- myocastor coypus
- mucous secretion
- most importantly
- moral philosophy
- monostable relay
- monohybrid cross
- monocular vision
- moneses uniflora
- molisch reaction
- migratory locust
- microstomus kitt
- microscope stage
- microscope slide
- marya sklodowska
- maria montesorri
- marco polo's sheep
- mantis religioso
- malaria mosquito
- macrotis lagotis
- louis xv of france
- louis xi of france
- louis vi of france
- louis ix of france
- louis iv of france
- louis harold gray
- lorenzo dressing
- local oscillator
- lobed spleenwort
- loan translation
- liomys irroratus
- light microscope
- lepiota rhacodes
- legal profession
- large tooth aspen
- kuroshio current
- konrad von gesner
- jules de goncourt
- jorge luis borges
- joint resolution
- john luther jones
- john cowper powys
- jewish orthodoxy
- ivory coast franc
- isoroku yamamoto
- ionospheric wave
- instruction book
- inky-cap mushroom
- informed consent
- important person
- hyponitrous acid
- housatonic river
- hottentot's bread
- horseradish root
- horner's syndrome
- hooded merganser
- honorary society
- holy war warriors
- hieronymus bosch
- henry louis aaron
- heat prostration
- harold godwinson
- grifola frondosa
- goldilocks aster
- goldie's wood fern
- golden groundsel
- gestation period
- georges de la tour
- geometric isomer
- genus woodwardia
- genus tropaeolum
- genus tricholoma
- genus triaenodon
- genus tragopogon
- genus sporobolus
- genus spodoptera
- genus soleirolia
- genus scombresox
- genus rhizopogon
- genus rhinoceros
- genus pyrophorus
- genus pteropogon
- genus polybotrya
- genus polybotria
- genus phrynosoma
- genus petromyzon
- genus ostryopsis
- genus oreopteris
- genus onobrychis
- genus oligoporus
- genus notoryctus
- genus nigroporus
- genus neurospora
- genus monomorium
- genus metroxylon
- genus lophosoria
- genus lophophora
- genus lomogramma
- genus hyperoodon
- genus holbrookia
- genus haemodorum
- genus galeocerdo
- genus eriophorum
- genus eriocaulon
- genus drosophila
- genus dimetrodon
- genus cystophora
- genus cyclosorus
- genus crotophaga
- genus crocodylus
- genus crocodilus
- genus coumarouna
- genus corylopsis
- genus conuropsis
- genus conocarpus
- genus commiphora
- genus chlorophis
- genus chironomus
- genus cercospora
- genus brevoortia
- genus astropogon
- genus aphrophora
- genus andropogon
- genus achoerodus
- free association
- francisco franco
- francisco de goya
- fragrant woodsia
- forgetful person
- flowers-of-an-hour
- fallot's syndrome
- falco rusticolus
- ezra loomis pound
- extension course
- european lobster
- erythema nodosum
- erroneous belief
- epidemic roseola
- edward g. robinson
- economic process
- eastern orthodox
- due process of law
- dryas octopetala
- drive-by shooting
- downy bromegrass
- doctor of science
- diplomatic corps
- diospyros kurzii
- dioscorea batata
- dining-room suite
- diceros bicornis
- destroyer escort
- desktop computer
- demonstrative of
- damp-proof course
- cursorius cursor
- ctenophore genus
- cross of lorraine
- crookneck squash
- course catalogue
- cotes de provence
- costa rican colon
- cosmic radiation
- cosmetic surgeon
- corydalis solida
- corticium solani
- corona discharge
- cornflower aster
- corkscrew flower
- coregonus artedi
- coprinus comatus
- conference house
- condylar process
- computer storage
- common sunflower
- common stinkhorn
- common snowberry
- common corn salad
- colour constancy
- colour blindness
- colorado springs
- color television
- collision course
- coal-tar creosote
- closed-class word
- close-order drill
- class gastropoda
- chorionic villus
- chinese mushroom
- chernozemic soil
- cecil john rhodes
- cauliflower soup
- button snakeroot
- butea monosperma
- burmese rosewood
- bureau of customs
- bulletproof vest
- built-soap powder
- brown onion sauce
- broom beard grass
- bromus japonicus
- bristly oxtongue
- breach of promise
- brace oneself for
- bottom rot fungus
- bosphorus bridge
- boron fertiliser
- bornholm disease
- board of trustees
- bloomsbury group
- black rhinoceros
- black greasewood
- bird's-foot violet
- bird's foot clover
- bipolar disorder
- binocular vision
- bachelor of music
- avogadro's number
- authorized stock
- auditory agnosia
- atomistic theory
- association area
- arundo conspicua
- arnold schonberg
- arnold of brescia
- armored searobin
- armored sea robin
- armored dinosaur
- arizona sycamore
- anoa mindorensis
- angular position
- anatropous ovule
- anabolic steroid
- agropyron repens
- active subwoofer
- acromial process
- acrocarpous moss
- acoustic storage
- absolute encoder
- abandoned person