15-Letter Words Containing: R,A,D,O
(In Any Order)
There are 577 15 letter words,
737 15 letter phrases and
0 15 letter abbr's with
R,A,D,O in.
Best Scoring for Word Games
| Word | Save | Length | Usage | Points | Type | ||
|---|---|---|---|---|---|---|---|
| hydroxylapatite | 15 | 34 | nounn | ||||
Valid word for Scrabble US
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| hydroxyapatites | 15 | 34 | nounn | ||||
Valid word for Scrabble US
| |||||||
| laryngectomized | 15 | 33 | adjectiveadj | ||||
Valid word for Scrabble US
| |||||||
| chlorothiazides | 15 | 33 | noun, adjectiven, adj | ||||
noun • a diuretic drug (trade name Diuril) used in the treatment of edema and hypertension | |||||||
| overspecialized | 15 | 32 | adjectiveadj | ||||
verb • To specialize to an excessive degree. | |||||||
| pharmacodynamic | 15 | 32 | adjectiveadj | ||||
Valid word for Scrabble US
| |||||||
| overcapitalized | 15 | 32 | adjectiveadj | ||||
verb • estimate the capital value of (a company) at an unreasonably or unlawfully high level • overestimate the market value of • capitalize beyond what the business or the profit-making prospects warrant | |||||||
| xeroradiography | 15 | 32 | nounn | ||||
noun • radiography using X-rays and xerographic (rather than roentgenographic) techniques | |||||||
| hypochondriacal | 15 | 31 | adjectiveadj | ||||
adjective satellite • suffering from hypochondria | |||||||
| overdramatizing | 15 | 31 | verbv | ||||
verb • To dramatize to excess; to make overdramatic. | |||||||
| 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 (577)
- straightforward
- extraordinarily
- insubordination
- monounsaturated
- differentiation
- democratization
- contraindicated
- standardization
- diversification
- aerodynamically
- cardiopulmonary
- disorganization
- overspecialized
- disarticulation
- undemonstrative
- prestidigitator
- polyunsaturated
- omnidirectional
- inconsideration
- hypochondriacal
- gynandromorphic
- demonstratively
- adventurousness
- demographically
- reconsideration
- misappropriated
- inconsiderately
- overdramatizing
- counterbalanced
- softheartedness
- indetermination
- hermaphroditism
- downheartedness
- disproportional
- detribalization
- demonstrability
- considerateness
- coldheartedness
- unextraordinary
- undervaluations
- unchoreographed
- ultrafastidious
- trisoctahedrons
- traditionalizes
- traditionalists
- thermoregulated
- territorialized
- solitudinarians
- semidocumentary
- recommendations
- rechoreographed
- reaccreditation
- radiometrically
- radioautography
- radicalizations
- preadolescences
- polysaccharides
- overdecorations
- overcomplicated
- overarticulated
- overadjustments
- openheartedness
- nonrandomnesses
- noncertificated
- monosaccharides
- melodramatizing
- maldistribution
- interdivisional
- interdigitation
- intercorrelated
- imponderability
- hyperfastidious
- hydroxylapatite
- hydromechanical
- hydrobiological
- harpsichordists
- foreordinations
- foolhardinesses
- echinodermatous
- dithiocarbamate
- disorientations
- disapprobations
- diastereoisomer
- desacralization
- derivatizations
- demonstrational
- decontaminators
- deconcentrating
- decertification
- daguerreotypist
- cyproheptadines
- contraindicates
- chromatographed
- bronchodilators
- biodegradations
- bidirectionally
- autotetraploidy
- autoradiographs
- arrondissements
- antiaphrodisiac
- allotetraploids
- administrations
- redetermination
- radioprotection
- wrongheadedness
- untraditionally
- underinflations
- ultramodernists
- ultrademocratic
- trichomonacides
- trichomonacidal
- traditionalized
- traditionalisms
- tetrahydrofuran
- tatterdemalions
- stadtholdership
- stadtholderates
- solderabilities
- secondarinesses
- roundheadedness
- rigidifications
- retrogradations
- repudiationists
- redistillations
- redintegrations
- reconsolidating
- recodifications
- radiotherapists
- radiotelephones
- radiotelemetric
- radiotelegraphs
- radiostrontiums
- radioprotective
- radiochemically
- radiobiologists
- radiobiological
- radioautographs
- radioactivities
- quadruplication
- pseudopregnancy
- pseudepigraphon
- proletarianized
- proletarianised
- preponderations
- preponderancies
- premodification
- predestinations
- postirradiation
- polyacrylamides
- photodegradable
- phonocardiogram
- philanthropoids
- pharmacodynamic
- paradoxicalness
- oxidoreductases
- overopinionated
- overmedications
- overgeneralized
- overexaggerated
- overentertained
- overcompensated
- overcentralized
- overcapitalized
- overadvertising
- overaccentuated
- outdoorsmanship
- orthodontically
- nonmatriculated
- nondepartmental
- noncredentialed
- microradiograph
- melodramatising
- maladroitnesses
- macroaggregated
- laryngectomized
- labyrinthodonts
- intermodulation
- intermediations
- intergradations
- insubordinately
- indoctrinations
- incoordinations
- immunomodulator
- hypochondriases
- hydroxyapatites
- hydrostatically
- hydrometallurgy
- hydrodynamicist
- hydrocephaluses
- hazardousnesses
- grandparenthood
- grandiosenesses
- grandiloquences
- formidabilities
- federalizations
- eudiometrically
- endoparasitisms
- electrodynamics
- electrodialytic
- electrodialysis
- electrodialyses
- echocardiograms
- dorsoventrality
- dorsiventrality
- disintegrations
- disinformations
- disinflationary
- disembarkations
- discriminations
- discouragements
- disaggregations
- diffractometric
- diffractometers
- dictatorialness
- dichloroethanes
- diastrophically
- devitrification
- deuteranomalous
- deuteranomalies
- desulfurization
- depolarizations
- dephosphorylate
- depersonalizing
- denitrification
- demoralizations
- dehydrogenation
- dehydrogenating
- deglamorization
- defibrillations
- defenestrations
- deconsecrations
- deconcentration
- decolorizations
- dechlorinations
- decarburization
- decarboxylating
- dangerousnesses
- daguerreotyping
- daguerreotypies
- countershadings
- counterblockade
- counterattacked
- cotransductions
- contradictories
- containerboards
- comradelinesses
- codetermination
- chordamesoderms
- chondrocraniums
- chlorpropamides
- chlorothiazides
- bowdlerizations
- bioremediations
- bastardizations
- autotetraploids
- antitraditional
- ambassadorships
- allotetraploidy
- affordabilities
- aerodynamicists
- adrenalectomies
- adenocarcinomas
- achondroplasias
- xeroradiography
- weatherboarding
- underestimation
- thermodynamical
- subordinateness
- radiotelegraphy
- oligosaccharide
- oligodendroglia
- ideographically
- hypochondriasis
- grandiloquently
- dissatisfactory
- desertification
- dermatoglyphics
- decarboxylation
- contradictorily
- autoradiography
- achondroplastic
- predevaluations
- antidepressions
- unrecommendable
- unpremeditation
- undetermination
- unconstrainedly
- ultramodernisms
- triiodomethanes
- transportedness
- traditionalises
- traditionalised
- tetartohedrisms
- tetartohedrally
- territorialised
- tatterdemallion
- synarthrodially
- superordinating
- superadditional
- stadholderships
- spheroidization
- spheroidisation
- sphaerosiderite
- sinistrodextral
- sherardizations
- sherardisations
- sclerodermatous
- sacerdotalizing
- sacerdotalising
- roundaboutility
- roundaboutation
- rollercoastered
- redoubtableness
- reconsolidation
- recondensations
- radiotelemeters
- radiosensitizes
- radiosensitized
- radiosensitises
- radiosensitised
- radioscopically
- radiophosphorus
- radiophonically
- radiolocational
- radiogoniometer
- radioactivation
- radioactivating
- radicalisations
- quodlibetarians
- quadripartition
- pyramidologists
- pseudomembranes
- pseudoarthrosis
- pseudoarthroses
- primordialities
- predesignations
- predatorinesses
- ponderabilities
- polychlorinated
- perissodactylic
- perissodactyles
- periodontically
- parallelopipeds
- parallelopipeda
- overspecialised
- overgeneralised
- overforwardness
- overdramatising
- overcentralised
- overcapitalised
- ornithodelphian
- myocardiographs
- mountainboarder
- modernistically
- micromicrofarad
- meridionalities
- malappropriated
- lionheartedness
- laryngectomised
- indiscretionary
- idiosyncratical
- idiomorphically
- icositetrahedra
- hypochondriasts
- hypochondriasms
- hydroxybutyrate
- hydrotropically
- hydrotherapists
- hydropathically
- hydrometrically
- hydrogeological
- hydrogenization
- hydrogenisation
- hydroextractors
- hydrocorallines
- heteroscedastic
- heterodactylous
- groundbreakings
- geodemographics
- forisfamiliated
- foreordainments
- flavourdynamics
- flashforwarding
- fideicommissary
- federalisations
- extraordinaries
- ergatandromorph
- equiponderating
- equiponderances
- endothermically
- endoradiosondes
- endocrinopathic
- enchondromatous
- eleutherodactyl
- edriophthalmous
- edriophthalmian
- dysmorphophobia
- downregulations
- dorsibranchiate
- dolichosauruses
- documentarizing
- documentarising
- doctrinarianism
- dissertationist
- disquisitionary
- disinvigorating
- disincorporates
- disincorporated
- disharmoniously
- disforestations
- discretionarily
- disconfirmation
- discomboberates
- discomboberated
- discolourations
- disattributions
- disarticulators
- disappropriates
- disappropriated
- disafforestment
- disaffirmations
- differentiators
- dichromaticisms
- diaphototropism
- diaphototropies
- diaheliotropism
- dextrorotations
- dextrophosphate
- devalorizations
- devalorisations
- desulphurations
- desulfurisation
- desilverization
- desilverisation
- desacralisation
- dermatoplasties
- dermatophytoses
- dermatographies
- dermatographias
- derivatisations
- deregistrations
- depolarisations
- deplorabilities
- depersonalising
- denitrificators
- demoralisations
- democratifiable
- deglamorisation
- degenerationist
- deformabilities
- decolourization
- decolourisation
- decolorisations
- decarburisation
- decarbonization
- decarbonisation
- daguerreotypers
- dactylographies
- dactylographers
- courtmartialled
- counterpleading
- countermandable
- contraindicants
- contradictively
- consideratively
- consecratedness
- cinematographed
- chondrification
- chondrichthyans
- chlorthalidones
- cathodographies
- cathodographers
- cardiographical
- calendarization
- calendarisation
- brokenheartedly
- broadmindedness
- brachypinakoids
- brachydiagonals
- bowdlerisations
- bastardisations
- autodestructive
- autodestructing
- audiometricians
- audiometrically
- astrodynamicist
- archpriesthoods
- archidiaconates
- arachnoiditises
- apprenticehoods
- antaphrodisiacs
- andromonoecisms
- andromonoecious
- andromedotoxins
- androgynophores
- amaryllidaceous
- aerohydroplanes
- adsorbabilities
- world-shattering
- underevaluation
- uncompartmented
- superordination
- steatornithidae
- state-controlled
- standardisation
- southwestwardly
- southeastwardly
- scomberesocidae
- sauropodomorpha
- rhinotermitidae
- refractory-lined
- radiotelephonic
- radiophotograph
- radiomicrometer
- radio-phonograph
- radio-gramophone
- radio-controlled
- pterodactylidae
- propionaldehyde
- phenazopyridine
- petromyzontidae
- paleodendrology
- orycteropodidae
- northwestwardly
- northeastwardly
- norethandrolone
- nonstandardness
- neutral-coloured
- neurodermatitis
- myrmecophagidae
- metallic-colored
- mastotermitidae
- lepidodendrales
- labyrinthodonta
- ichthyosauridae
- hyperlipoidemia
- hydrophyllaceae
- hourglass-shaped
- gotterdammerung
- good-naturedness
- gomphotheriidae
- gasterophilidae
- four-dimensional
- entandrophragma
- electrophoridae
- echocardiograph
- dryopteridaceae
- dromaeosauridae
- downward-sloping
- downward-arching
- double-barrelled
- disorganisation
- dichloromethane
- deuteromycotina
- detribalisation
- dermatophytosis
- dermatomyositis
- democratisation
- dactylopteridae
- cyprinodontidae
- cryptacanthodes
- commercial-grade
- cinnamon-colored
- chrysochloridae
- charadriiformes
- cercopithecidae
- ceratopogonidae
- cephalochordate
- cephalochordata
- broad-shouldered
- broad-mindedness
- brachydactylous
- balaenopteridae
- aspidophoroides
- antheridiophore
- angiocardiogram
- adenomyosarcoma
Phrases (737)
- woodland caribou
- undercover agent
- two-year-old horse
- time of departure
- teutoburger wald
- suborder ophidia
- stratford-on-avon
- stormwater drain
- spreading factor
- spiritual domain
- spiny-headed worm
- sorbus domestica
- solidago bicolor
- software product
- singapore dollar
- sinbad the sailor
- shorthand typist
- seriola dorsalis
- scorpaenoid fish
- richard d. fosbury
- ribonucleic acid
- religious leader
- rabbit bandicoot
- prunus domestica
- product research
- primordial dwarf
- pour cold water on
- poitrine d'agneau
- pocket billiards
- physeter catodon
- passeriform bird
- oxidation number
- outside marriage
- orthodox judaism
- order volvocales
- order scandentia
- order sapindales
- order rhoeadales
- order rajiformes
- order plecoptera
- order orthoptera
- order lagomorpha
- order crocodylia
- order crocodilia
- order chiroptera
- order alcyonaria
- orange marmalade
- old world buffalo
- newton's third law
- naucrates ductor
- mozilla calendar
- monkey-bread tree
- military advisor
- middle-of-the-road
- maxwell anderson
- mandibular notch
- mail-order buying
- macleaya cordata
- luigi pirandello
- long-clawed prawn
- local department
- leveraged buyout
- leonardo da vinci
- learned reaction
- langue d'oc french
- landing approach
- lactiferous duct
- labor department
- kingdom of iberia
- jonathan edwards
- jack of all trades
- irrigation ditch
- iridaceous plant
- intravenous drip
- inauguration day
- hydrocyanic acid
- hussein of jordan
- horseback riding
- horned chameleon
- hookworm disease
- hooded sheldrake
- honduran capital
- hoary golden bush
- ground substance
- graphical record
- grand inquisitor
- genus tichodroma
- genus podocarpus
- genus dasyprocta
- genus coriandrum
- genus calocedrus
- genus ailuropoda
- fort ticonderoga
- fenestra rotunda
- federal official
- family leporidae
- family congridae
- entente cordiale
- elegant brodiaea
- edward macdowell
- edouard vuillard
- edouard lemaitre
- doris may lessing
- domestic prelate
- displaced person
- direct quotation
- dihydric alcohol
- digital computer
- dictionary entry
- diamond jim brady
- descending aorta
- department store
- democratic party
- dementia praecox
- dehydrated foods
- defense reaction
- defense attorney
- debt of gratitude
- dasyprocta aguti
- dalbergia sissoo
- dag hammarskjold
- coraciiform bird
- confederate rose
- complex body part
- collared peccary
- class asteroidea
- charlotte corday
- charles goodyear
- capital of rwanda
- capital of jordan
- cape verde escudo
- by trial and error
- button accordion
- bronze star medal
- broadcast medium
- british honduras
- bricks and mortar
- borrowed capital
- bond certificate
- boat-billed heron
- bartholomeu diaz
- bartholomeu dias
- band of partisans
- badminton racket
- background noise
- avoirdupois unit
- auditory ossicle
- asperula odorata
- arthur eddington
- aristide maillol
- andrei tarkovsky
- anchovy dressing
- anchorage ground
- aloys senefelder
- alois senefelder
- alfred korzybski
- alfred hitchcock
- affaire d'honneur
- advisory service
- acer platanoides
- academic program
- zigzag goldenrod
- zebrawood family
- yellow-eyed grass
- yellow jacaranda
- x-ray diffraction
- wormseed mustard
- wood meadowgrass
- withdrawing room
- william bradford
- wide area network
- whole wheat bread
- white snapdragon
- werlhof's disease
- walt disney world
- vladimir nabokov
- viorna baldwinii
- ventricular fold
- vascular conduit
- variorum edition
- vancouver island
- umbrina roncador
- two-toed anteater
- turn a nice dollar
- turdus torquatus
- travel guidebook
- trade protection
- torchwood family
- tobacco industry
- tidewater region
- theatre director
- theater director
- tax depreciation
- tarquin the proud
- tall meadow grass
- taken for granted
- sydenham's chorea
- sword of damocles
- sutura lamboidea
- superoxide anion
- subordinate word
- suborder tyranni
- suborder menurae
- suborder anseres
- subclass rosidae
- studio apartment
- strait and narrow
- stannic chloride
- st andrews's cross
- spotted sea trout
- spotted eagle ray
- solandra guttata
- soft-shelled crab
- sodium-vapor lamp
- sodium carbonate
- social democracy
- snowdrop anemone
- singapore island
- sida rhombifolia
- shipboard system
- shenandoah river
- sheepshead porgy
- seizure-alert dog
- sedimentary rock
- secondary school
- second-hand store
- seaside scrub oak
- sawdust mushroom
- sao joao de meriti
- salvia divinorum
- salvadora family
- saint-john's-bread
- rydberg constant
- russian orthodox
- rubia cordifolia
- rowanberry vodka
- rowan berry vodka
- round-headed leek
- rough-legged hawk
- rolando's fissure
- robert edward lee
- ring-around-a-rosy
- richard lovelace
- richard j. roberts
- rhus rhodanthema
- rhus diversiloba
- rhode island bent
- rh-negative blood
- republic of india
- reed meadow grass
- read/write memory
- read-only storage
- reacquired stock
- raymond chandler
- raymond b. cattell
- ralph richardson
- rain cats and dogs
- railroad station
- radioactive dust
- radio brightness
- pyramids of egypt
- push-down storage
- push-button radio
- pullorum disease
- proprietary drug
- privet andromeda
- pride of barbados
- president taylor
- predatory animal
- praetorian guard
- powdered mustard
- portmanteau word
- port orford cedar
- pope alexander vi
- pond bald cypress
- polyhedral angle
- political leader
- polar coordinate
- podocarpus amara
- playground slide
- pinus densiflora
- pinot chardonnay
- pin-tailed grouse
- piedmont glacier
- picture postcard
- phylum phoronida
- phosphorous acid
- performance bond
- paul vinogradoff
- panduriform leaf
- painted tortoise
- pacific tree toad
- oxynervonic acid
- overhead railway
- overdraft credit
- orlande de lassus
- oriental studies
- organic disorder
- organic compound
- ordinary bicycle
- ordinary annuity
- orderly sergeant
- order zygnemales
- order uredinales
- order umbellales
- order therapsida
- order sphagnales
- order secotiales
- order saurischia
- order santalales
- order radiolaria
- order psocoptera
- order psilotales
- order primulales
- order phalangida
- order pediculati
- order parietales
- order pandanales
- order orchidales
- order opuntiales
- order notostraca
- order neuroptera
- order moniliales
- order mallophaga
- order lichenales
- order hyracoidea
- order helotiales
- order graminales
- order ginkgoales
- order geraniales
- order gadiformes
- order eurotiales
- order ephemerida
- order embioptera
- order dinocerata
- order dicranales
- order dermoptera
- order dermaptera
- order cydippidea
- order collembola
- order coleoptera
- order branchiura
- order agaricales
- order actiniaria
- operating budget
- oliver heaviside
- old-age pensioner
- old-age insurance
- old world warbler
- old church slavic
- ocellated turkey
- obstetrical toad
- observation dome
- nymphaea odorata
- nuclear meltdown
- northern woodsia
- northern ireland
- nord-pas-de-calais
- noonan's syndrome
- nitrogen mustard
- newspaper editor
- new world warbler
- new world sparrow
- new scotland yard
- narrowhead morel
- narrow goldenrod
- mother's daughter
- mordvin language
- mordecai richler
- money laundering
- monarda punctata
- miniature poodle
- millard fillmore
- middle low german
- medical relation
- medicago arborea
- meadow saxifrage
- meadow goldenrod
- meadow buttercup
- marya sklodowska
- mary ii of england
- marmalade orange
- marfan's syndrome
- manic depression
- mandibular joint
- mandibular fossa
- macrobiotic diet
- lunar time period
- lowland white fir
- louis harold gray
- lightly armoured
- lepiota rhacodes
- legal proceeding
- lee harvey oswald
- learned response
- law of archimedes
- latissimus dorsi
- laser-guided bomb
- lady jane seymour
- la rochefoucauld
- krigia dandelion
- korean lespedeza
- konrad von gesner
- knotted marjoram
- kingdom of norway
- judicial torture
- joseph m. jacquard
- jonas edward salk
- jointed charlock
- john edgar hoover
- jerome david kern
- isthmus of darien
- iris pseudacorus
- internal auditor
- industrial union
- induced abortion
- indirect antonym
- indian rattlebox
- indian coral tree
- indian breadroot
- indian arrowroot
- immediate memory
- idria columnaris
- idesia polycarpa
- hyponitrous acid
- hydroxyl radical
- hydrostatic head
- hydrogen sulfate
- hydrogen cyanide
- hydrobromic acid
- hyaloid membrane
- hundred thousand
- hottentot's bread
- horseradish root
- hooded merganser
- hmg-coa reductase
- higher education
- heroin addiction
- henry v of england
- henry i of england
- hearing disorder
- head for the hills
- harold hart crane
- harold godwinson
- hamstring tendon
- hall of residence
- gulf war syndrome
- grover cleveland
- groundwater pump
- grifola frondosa
- greyhound racing
- green douglas fir
- greco-roman deity
- great depression
- grade separation
- gracilariid moth
- gottlieb daimler
- goldilocks aster
- golden saxifrage
- golden parachute
- glans clitoridis
- gestation period
- german police dog
- georges de la tour
- george du maurier
- genus woodwardia
- genus triaenodon
- genus suksdorfia
- genus spodoptera
- genus rhodymenia
- genus pontederia
- genus pomaderris
- genus monardella
- genus mandragora
- genus jordanella
- genus indigofera
- genus hydrobates
- genus haemodorum
- genus galeocerdo
- genus drymarchon
- genus drosophila
- genus dracontium
- genus dipteronia
- genus dimocarpus
- genus dermatobia
- genus cortaderia
- genus carpodacus
- genus antrodemus
- genus antidorcas
- genus andropogon
- genus aldrovanda
- genus achoerodus
- garbage disposal
- funeral director
- fringed polygala
- french indochina
- francisco de goya
- franciscan order
- francis townsend
- fragrant woodsia
- fluoroboric acid
- flowering almond
- flower gardening
- florida water rat
- floating dry dock
- flight indicator
- first-aid station
- fire-bellied toad
- fifty dollar bill
- ferrocyanic acid
- fashion industry
- fashion designer
- family zoarcidae
- family triopidae
- family soricidae
- family proteidae
- family oxyuridae
- family otariidae
- family ostreidae
- family osmeridae
- family oriolidae
- family oestridae
- family meropidae
- family lorisidae
- family homaridae
- family corixidae
- family caproidae
- family atropidae
- false goatsbeard
- false dragonhead
- false dragon head
- false beachdrops
- fallot's syndrome
- ezra loomis pound
- external carotid
- extension ladder
- every now and then
- european wildcat
- eugene delacroix
- ethmoidal artery
- ethanoyl radical
- erythema nodosum
- epidemic roseola
- epidemic cholera
- embroidery frame
- eleostearic acid
- electrolyte acid
- ejaculatory duct
- edward thorndike
- edward g. robinson
- edsel bryant ford
- eastern orthodox
- e. a. von willebrand
- dynamic headroom
- dyadic operation
- dwarf nipplewort
- dwarf grey willow
- dwarf gray willow
- duke of lancaster
- due process of law
- dryas octopetala
- dry plate process
- drogue parachute
- dressing station
- drag coefficient
- downy bromegrass
- douglas squirrel
- donald barthelme
- dominican dollar
- domestic partner
- dollar diplomacy
- documentary film
- dobereiner's lamp
- distribution law
- directional mike
- dipteryx odorata
- diplomatic corps
- dioscorea batata
- diodora apertura
- dining-room table
- diane de poitiers
- devonshire cream
- destroying angel
- desmodium gyrans
- departure lounge
- dental procedure
- demonstrative of
- demarcation line
- delairea odorata
- defence reaction
- declarative mood
- decimal fraction
- date of reference
- danton true young
- daniel bernoulli
- damp-proof course
- crystal detector
- crotalus viridis
- crotalus lepidus
- crosscut handsaw
- cottage industry
- cosmic radiation
- corydalis solida
- corrugated board
- corona discharge
- corinthian order
- coregonus artedi
- cordia alliodora
- conradina glabra
- confervoid algae
- confederate flag
- confederate army
- condylar process
- comtesse du barry
- comte de mirabeau
- computer display
- computer address
- common corn salad
- common arrowhead
- command overhead
- comandra pallida
- colored audition
- colorado springs
- colorado plateau
- collateral fraud
- coeur d'alene lake
- codlins-and-cream
- coast white cedar
- closed-class word
- class placodermi
- class gastropoda
- cigarette holder
- church of ireland
- church of england
- choroidal artery
- chlorinated lime
- charles kay ogden
- chardonnay grape
- ceremonial dance
- catherine howard
- cartridge holder
- carthusian order
- caroline islands
- carnal knowledge
- carbonic acid gas
- carbonated water
- carbon disulfide
- candlepower unit
- canary whitewood
- canada porcupine
- calcium chloride
- caladium bicolor
- bypass condenser
- built-soap powder
- broom beard grass
- bronzed diabetes
- brodmann's area 17
- brodiaea elegans
- broadly speaking
- broad-leaved dock
- brigit of kildare
- bounded interval
- botanical garden
- bornholm disease
- border patrolman
- bordeaux mixture
- body temperature
- board of trustees
- blue-headed vireo
- bloodwort family
- bleaching powder
- bladder disorder
- black rock desert
- black greasewood
- bitter almond oil
- bipolar disorder
- billiard parlour
- bill of attainder
- bel and the dragon
- bastard toadflax
- baruch de spinoza
- bartholin's gland
- barium protoxide
- barium hydroxide
- ballroom dancing
- bald-faced hornet
- background level
- backgammon board
- bachelor's degree
- avogadro's number
- automated teller
- authorized stock
- audubon's warbler
- auditory aphasia
- auditory agnosia
- associate degree
- arundo richardii
- arundo conspicua
- artificial blood
- arthropod family
- arsenic trioxide
- arnold schonberg
- arnold of brescia
- armoured vehicle
- armored searobin
- armored sea robin
- armored dinosaur
- arcade video game
- anxiety disorder
- anovulatory drug
- anoa mindorensis
- animated cartoon
- angostura bridge
- andromeda galaxy
- anagyris foetida
- anabolic steroid
- american widgeon
- american dogwood
- american dog tick
- ambrosia trifida
- ambrose burnside
- alpine goldenrod
- allium paradoxum
- alligator lizard
- alfred hawthorne
- alexander wilson
- aleurites fordii
- air force academy
- air conditioning
- african marigold
- aerodynamic lift
- admission charge
- activated carbon
- academic freedom
- absurdist humour
- absolute encoder
- abandoned person