14-Letter Words Containing: O,S,O,R,I,_
(In Any Order)
There are 1,101 14 letter words,
288 14 letter phrases and
0 14 letter abbr's with
O,S,O,R,I,_ in.
Best Scoring for Word Games
| Word | Save | Length | Usage | Points | Type | ||
|---|---|---|---|---|---|---|---|
| isocarboxazids | 14 | 35 | nounn | ||||
noun • a monoamine oxidase inhibitor (trade name Marplan) that is used to treat clinical depression | |||||||
| philosophizers | 14 | 33 | nounn | ||||
noun • someone who considers situations from a philosophical point of view | |||||||
| heterozygosity | 14 | 33 | nounn | ||||
noun • the state of being heterozygous; having two different alleles of the same gene | |||||||
| remythologizes | 14 | 32 | verbv | ||||
Valid word for Scrabble US
| |||||||
| hypothyroidism | 14 | 31 | nounn | ||||
noun • an underactive thyroid gland; a glandular disorder resulting from insufficient production of thyroid hormones | |||||||
| hydroxylations | 14 | 31 | nounn | ||||
Valid word for Scrabble US
| |||||||
| hydroperoxides | 14 | 31 | nounn | ||||
Valid word for Scrabble US
| |||||||
| apostrophizing | 14 | 31 | verb, noun, adjectivev, n, adj | ||||
verb • use an apostrophe | |||||||
| zoogeographies | 14 | 30 | nounn | ||||
Valid word for Scrabble US
| |||||||
| hypochondriacs | 14 | 30 | nounn | ||||
noun • a patient with imaginary symptoms and ailments adjective satellite • suffering from hypochondria | |||||||
| 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 14 Letter Words
Words (1101)
- transportation
- transformation
- professionally
- reconstruction
- unprofessional
- claustrophobic
- anthropologist
- uncompromising
- disorientation
- claustrophobia
- contemporaries
- schoolchildren
- deconstruction
- conversational
- predisposition
- misinformation
- revolutionised
- conquistadores
- psychoneurotic
- microbiologist
- disinformation
- reconstitution
- microprocessor
- progressionist
- prognosticator
- procrastinator
- presupposition
- microeconomics
- discourteously
- schoolmistress
- osteoarthritis
- reorganisation
- pharmacologist
- conspiratorial
- astronomically
- prognosticated
- zoroastrianism
- retinoblastoma
- psychoneurosis
- nitrocellulose
- multiprocessor
- hypothyroidism
- categorisation
- conservatorium
- astrologically
- prosthodontist
- overestimation
- organisational
- neurobiologist
- macroeconomics
- discolouration
- obstructionist
- hydrocortisone
- historiography
- propitiousness
- nonprogressive
- monosaccharide
- monochromatism
- disapprobation
- corticosteroid
- woolgatherings
- waterproofings
- watercolorists
- vociferousness
- victoriousness
- uproariousness
- triamcinolones
- transpositions
- toothbrushings
- thyrotoxicoses
- thyroglobulins
- stereoisomeric
- semiconductors
- sclerotization
- rheumatologies
- revolutionizes
- retrospections
- reprovisioning
- reorientations
- renegotiations
- remythologizes
- remonstrations
- reinvigorators
- reinoculations
- reincorporates
- reformulations
- reforestations
- redispositions
- reconsolidated
- reconsecration
- recomputations
- recompositions
- recommissioned
- reciprocations
- randomizations
- radiostrontium
- protectionists
- propositioning
- proportionates
- proliferations
- prognosticates
- prodigiousness
- processionally
- preoccupations
- preconsciously
- postliberation
- pococurantisms
- philosophizers
- pharmacopoeias
- parsimoniously
- parasitologist
- overglamorizes
- osmoregulation
- ornamentations
- oophorectomies
- oceanographies
- noteworthiness
- normalizations
- nonsupervisory
- nonsegregation
- nonhygroscopic
- nonconformists
- nonconformisms
- noncompetitors
- noncarcinogens
- narratologists
- myrmecologists
- modernizations
- modernisations
- misorientation
- microsporangia
- microorganisms
- meteorologists
- metamorphosing
- isomerizations
- introspections
- interrogations
- interpositions
- interpolations
- inharmoniously
- incorporations
- inconformities
- improvisatores
- improvisations
- impersonations
- hyperconscious
- hydrobiologist
- hydrobiologies
- geohydrologist
- formalizations
- foreshortening
- forebodingness
- fluorographies
- extrapolations
- electrodeposit
- disproportions
- deteriorations
- demonstrations
- deforestations
- decortications
- deconsecration
- counterpoising
- cosmochemistry
- corroborations
- coreligionists
- conventioneers
- contraventions
- contradictions
- constructional
- considerations
- conservatories
- confrontations
- configurations
- confederations
- comprehensions
- commiserations
- commemorations
- coinvestigator
- coconspirators
- cochairpersons
- chronographies
- censoriousness
- carbonylations
- bioconversions
- bacteriologies
- autoradiograms
- authorizations
- aromatizations
- archaeologists
- approximations
- appropriations
- apportionments
- anticorrosives
- agglomerations
- aggiornamentos
- afforestations
- aerosolization
- stoichiometric
- roadworthiness
- oversuspicious
- oversolicitous
- obstructionism
- heterozygosity
- commissionaire
- boisterousness
- zoogeographies
- vigorousnesses
- vaingloriously
- uxoriousnesses
- urediniospores
- unconformities
- trisoctahedron
- trigonometries
- trichotomously
- trichomoniases
- treponematosis
- translocations
- tracheostomies
- tortoiseshells
- timorousnesses
- thromboplastic
- thrombokinases
- thigmotropisms
- thermotropisms
- terrorizations
- temporizations
- teleportations
- supervirtuosos
- superpositions
- superovulation
- subordinations
- submicroscopic
- stonemasonries
- sporotrichoses
- sporopollenins
- spermatogonium
- spermatogonial
- spectroscopist
- spectroscopies
- somatotrophins
- solicitorships
- socioreligious
- sharpshootings
- serotoninergic
- seropositivity
- serodiagnostic
- seroconversion
- seriocomically
- scleroproteins
- routinizations
- robustiousness
- rigorousnesses
- ribonucleoside
- rhodochrosites
- revolutionists
- revolutionises
- retrogressions
- retroflections
- reimportations
- reexportations
- reconsolidates
- recompilations
- recombinations
- ratiocinations
- radioecologies
- radiobiologies
- pteridologists
- pseudomorphism
- protozoologies
- protohistories
- protohistorian
- prothonotaries
- protectorships
- protectionisms
- proprioceptors
- pronunciations
- projectionists
- professorships
- professoriates
- proconsulships
- primatologists
- preproductions
- prepossessions
- preordinations
- prenominations
- predominations
- preconvictions
- preconsciouses
- preconceptions
- precombustions
- potentiometers
- postproduction
- postmodernists
- postmodernisms
- postgraduation
- posteriorities
- postdepression
- polyembryonies
- polarographies
- phraseologists
- phraseological
- photoreactions
- photoperiodism
- photofinishers
- photochromisms
- phosphorolytic
- phosphorolysis
- phosphorescing
- pharmacologies
- periodizations
- patronizations
- passionflowers
- parasitologies
- paedomorphosis
- paedomorphisms
- overvaluations
- oversecretions
- oversaturation
- overresponding
- overprocessing
- overpersuasion
- overoptimistic
- overnutritions
- overnourishing
- overinflations
- overgenerosity
- overfastidious
- overextensions
- overexpansions
- overeducations
- overdominances
- overdiscounted
- overattentions
- overassertions
- osteoarthritic
- oscillographic
- orthogonalizes
- ornithologists
- orchestrations
- opisthobranchs
- oncornaviruses
- onchocerciases
- oleomargarines
- nucleoproteins
- norethindrones
- nonphilosopher
- nonnitrogenous
- nonmonetarists
- nonintercourse
- nonforfeitures
- nondisclosures
- nonaggressions
- neurosecretion
- neurobiologies
- neuroanatomist
- neuroanatomies
- neoorthodoxies
- mortifications
- monoglycerides
- moderatorships
- mispronouncing
- miscorrelation
- microsporocyte
- micropulsation
- microplanktons
- microcomputers
- microbiologies
- microanatomies
- metronidazoles
- mastigophorans
- martyrologists
- malariologists
- malabsorptions
- macroglobulins
- lognormalities
- liturgiologist
- liturgiologies
- laryngoscopies
- laparoscopists
- kremlinologist
- kremlinologies
- isoproterenols
- isomorphically
- isochromosomes
- isocarboxazids
- introgressions
- ingloriousness
- indoctrinators
- incorporeities
- immunosorbents
- idolatrousness
- hypocoristical
- hypochondriacs
- hygroscopicity
- hydroxylations
- hydroperoxides
- hydrogenations
- hydrochlorides
- honorabilities
- homoeroticisms
- homeomorphisms
- heterotrophies
- heteroploidies
- heteromorphism
- heterokaryosis
- herpetologists
- harmonizations
- gyroscopically
- gonadotrophins
- gloriousnesses
- glorifications
- glamorizations
- gerontologists
- gerontocracies
- geohydrologies
- gastroscopists
- fractionations
- fortifications
- fluoroscopists
- fibrosarcomata
- fashionmongers
- factorizations
- expropriations
- expectorations
- ethnohistories
- ethnohistorian
- erythropoieses
- eroticizations
- electroosmotic
- electroosmosis
- electrologists
- electrocutions
- discomfortable
- discolorations
- dinitrophenols
- diamondiferous
- dermatologists
- deodorizations
- decompressions
- decarbonations
- cryptosporidia
- cryobiologists
- criminologists
- counteractions
- counselorships
- cotransporting
- cotransduction
- cosponsorships
- cosmographical
- corticotropins
- corruptionists
- corporealities
- corporativisms
- cornifications
- coprosperities
- coordinateness
- cooperationist
- conversaziones
- contrapositive
- contraposition
- contradictious
- contraceptions
- contortionists
- conterminously
- containerports
- consternations
- conspirational
- conservatorial
- conservatoires
- conservational
- conflagrations
- concentrations
- commensuration
- commemoratives
- coloristically
- collectorships
- collaboratives
- collaborations
- clitorectomies
- chromoproteins
- chromodynamics
- choreographies
- cholangiograms
- chemisorptions
- cephalosporins
- carcinomatosis
- carcinomatoses
- carboxylations
- carbonizations
- bronchospastic
- bronchoscopist
- bronchoscopies
- bromocriptines
- bourgeoisifies
- bourgeoisified
- boardinghouses
- bloodthirstily
- bioregionalist
- bioregionalism
- biogeographies
- biogeographers
- autoeroticisms
- astrobiologist
- astrobiologies
- apostrophizing
- apostrophising
- anthropologies
- anisometropias
- allelomorphism
- aldosteronisms
- agroforestries
- actinomorphies
- trichomoniasis
- thyrotoxicosis
- thromboplastin
- supererogation
- sporotrichosis
- sporangiophore
- spatiotemporal
- soteriological
- rheumatologist
- radiobiologist
- pseudoscorpion
- protozoologist
- prosthodontics
- proprietorship
- prohibitionist
- progestational
- professorially
- precociousness
- polymerisation
- photochemistry
- phosphoprotein
- oxidoreductase
- operationalist
- operationalism
- onchocerciasis
- myrmecophilous
- indecorousness
- harmoniousness
- fortuitousness
- erythropoiesis
- cryptococcosis
- councillorship
- corticosterone
- controllership
- concessionaire
- carcinosarcoma
- bacteriologist
- achondroplasia
- preconventions
- nonsecretories
- nonregulations
- nonreciprocals
- nonelectronics
- noncommercials
- colorblindness
- zoochemistries
- xanthochromias
- xanthochroisms
- whoremongeries
- waterfloodings
- vociferosities
- vitriolisation
- venereologists
- vectorizations
- vectorisations
- vasoinhibitory
- vasoinhibitors
- vasodilatatory
- variolizations
- variolisations
- uterogestation
- urethroscopies
- trophotropisms
- trophoneurosis
- trinitrocresol
- triconsonantic
- triconsonantal
- trichotomising
- trichophytosis
- trichophytoses
- traumatologies
- tracheoscopies
- tolerationists
- tolerationisms
- thrombophilias
- thoracostomies
- thermoscopical
- thermochromism
- thermochromies
- theriomorphous
- theriomorphism
- tetrachotomies
- terrorisations
- terminologists
- temporisations
- telomerisation
- tautochronisms
- symmetrophobia
- symbololatries
- suppositionary
- superfoetation
- stroboscopical
- strobilization
- strobilisation
- stomatogastric
- stoicheiometry
- stoechiometric
- stockjobberies
- stereotropisms
- stereoscopists
- stereoscopical
- stereochroming
- stereochromies
- stercoricolous
- sporangiospore
- spirochaetosis
- spirochaetoses
- spectrological
- soundproofings
- sorbitizations
- sorbitisations
- soporiferously
- sophisticators
- skeuomorphisms
- siphonophorous
- simaroubaceous
- showerproofing
- serotaxonomies
- seroconverting
- sectorizations
- sectorisations
- scorifications
- scolopendriums
- sclerotisation
- sanguinivorous
- routinisations
- rostrocarinate
- rontgenoscopic
- rontgenologist
- rontgenologies
- rontgenisation
- rhizocephalous
- rhinoscleromas
- revolutionisms
- revolutioniser
- revalorisation
- retinoscopists
- restorationist
- restorationism
- resolutionists
- repolarisation
- remythologises
- remythologised
- remoralisation
- remonetisation
- remobilisation
- reformationist
- refocillations
- reflexologists
- redissolutions
- reconnoiterers
- reconnoissance
- recondensation
- recompressions
- recolonisation
- randomisations
- radiolocations
- querimoniously
- pyrophosphoric
- pyramidologist
- pyramidologies
- pycnidiospores
- pteridophytous
- provisionaries
- protuberations
- protospathaire
- protospataires
- protoplasmatic
- protonotariats
- protoactiniums
- protistologist
- protistologies
- prosthodontias
- prosopagnosias
- prosectorships
- proportionless
- proportionings
- propitiatories
- pronominalizes
- pronominalises
- pronominalised
- prolocutorship
- prolifications
- projectisation
- prohibitionism
- progressionism
- progressionary
- progenitorship
- prodigiosities
- procuratorship
- processionings
- probationaries
- probabiliorist
- probabiliorism
- prioritisation
- preconizations
- preconisations
- preadmonitions
- posterizations
- posterisations
- possessorships
- polyphosphoric
- polyhistorians
- polychromatism
- pococurantists
- pococuranteism
- plagiotropisms
- phrenologising
- phototherapies
- photorealistic
- photographists
- phosphocreatin
- phonographists
- phonochemistry
- philosophisers
- philosopheress
- philosophaster
- pharyngotomies
- pharyngoscopic
- pharyngologist
- pharyngologies
- pharmacopolist
- pharmacopoeist
- peritoneoscopy
- periodisations
- pectoriloquies
- patronisations
- paronomastical
- paroemiologies
- paradoxologies
- parabolisation
- pantalooneries
- panharmonicons
- overorganising
- overhomogenise
- overglamorises
- overglamorised
- overflourishes
- overflourished
- ovariectomised
- osteoarthrosis
- osmometrically
- orthosilicates
- orthopinakoids
- orthographists
- orthogonalises
- orthogonalised
- orthognathisms
- orthodiagonals
- orthocephalies
- ororotundities
- ornithoscopies
- ornithophobias
- ornithophilous
- ornithophilies
- ornithomancies
- organographist
- organographies
- orchidomaniacs
- orchidologists
- orchidectomies
- oppignorations
- opisthographic
- oophorectomise
- oneiroscopists
- olfactometries
- odontographies
- obligatoriness
- normalisations
- norethisterone
- nonrhoticities
- nonpolarisable
- neurypnologies
- neighbourhoods
- narcotizations
- narcotisations
- narcoterrorist
- myrmecochories
- mountainboards
- morphographies
- morphinomanias
- mordaciousness
- monstruosities
- monosymmetries
- monochromatics
- monochromasies
- mongrelisation
- misproportions
- miscorrections
- misanthroposes
- microstomatous
- micronizations
- micronisations
- microdetectors
- metaphosphoric
- metagrobolizes
- metagrobolises
- mastigophorous
- macrosporangia
- macrosociology
- macropinakoids
- macrodiagonals
- lithontriptors
- leucitohedrons
- lateroversions
- laryngoscopist
- laryngophonies
- laryngologists
- laevorotations
- journalisation
- jargonizations
- jargonisations
- isomerisations
- isogeothermics
- isogeothermals
- isodimorphisms
- irrecognitions
- interlocutions
- interlocations
- inorganisation
- inobservations
- infrapositions
- improvvisatore
- impropriations
- impignorations
- imperforations
- immunophoresis
- immunophoreses
- ichthyolatrous
- hystricomorphs
- hypophosphoric
- hypochondriast
- hypochondriasm
- hydromedusoids
- hydrolyzations
- hydrolysations
- hydrogeologist
- hydrogeologies
- hydrogenolysis
- hydroacoustics
- horripilations
- horrifications
- horizontalness
- homopolarities
- homoiothermies
- homoeomorphism
- homoeomorphies
- homochromatism
- homeownerships
- historiologies
- heterostrophic
- heteromorphies
- heterochronism
- heterochronies
- heresiologists
- herborizations
- herborisations
- harmonisations
- hamartiologies
- grammatologist
- grammatologies
- glossographies
- globetrottings
- glamorisations
- gerontophobias
- gerontophilias
- geometrisation
- galvanotropism
- frontierswomen
- formalisations
- foreshadowings
- foraminiferous
- fonctionnaires
- ferrochromiums
- factorisations
- facinorousness
- extrapositions
- explorationist
- excortications
- euphorbiaceous
- erythrophobias
- eroticisations
- epistolography
- endoradiosonde
- enantiotropies
- enantiodromias
- embourgeoising
- dysmenorrhoeic
- dollarocracies
- dollarizations
- dollarisations
- disincorporate
- disconformable
- disconcertions
- discomboberate
- discolourments
- disapprobatory
- dipterocarpous
- diprotodontids
- dioscoreaceous
- dinoturbations
- diageotropisms
- devalorisation
- deuteroscopies
- despotocracies
- derogatoriness
- derecognitions
- deodorisations
- demythologiser
- decommissioner
- decolorisation
- cranioscopists
- countermotions
- councilorships
- cottonocracies
- cosmographists
- corroboratives
- correligionist
- corporealising
- corolliflorous
- copolymerising
- controvertists
- contristations
- contributories
- contragestions
- contortionisms
- contesseration
- contemporising
- constuprations
- conspurcations
- consignatories
- conscriptional
- connumerations
- conidiophorous
- conglutinators
- confessorships
- confarreations
- conductorships
- concretisation
- compulsoriness
- compromisingly
- compatriotisms
- cometographies
- colourizations
- colourisations
- coadjutorships
- clinopyroxenes
- circumposition
- ciprofloxacins
- chronologising
- chromatologist
- chromatologies
- chondromatosis
- chondrogenesis
- chloroformists
- chlorocruorins
- chlorobromides
- chloritisation
- carcinologists
- carbonisations
- cancerophobias
- bloodthirstier
- bipolarisation
- bioprospecting
- bioinformatics
- bioaeronautics
- ballistospores
- bacteriotoxins
- authorisations
- astronavigator
- astrogeologist
- astrogeologies
- astrapophobias
- aromatisations
- arithmophobias
- archpriesthood
- archeobotanist
- archeobotanies
- arachnophobias
- arachnologists
- apogeotropisms
- apochromatisms
- apheliotropism
- anthropotomies
- anthroposophic
- anthropophuism
- anthropogonies
- anthropogenies
- angiosarcomata
- andromonoecism
- androdioecisms
- androdioecious
- alloiostrophos
- allegorisation
- ailourophobias
- ailourophilias
- agroterrorisms
- agrostologists
- agrostological
- agrobiologists
- aerosolisation
- aerobiologists
- achromatopsias
- absorptiometer
- watercolourist
- unpropitiously
- unharmoniously
- traitorousness
- thrombocytosis
- symphoricarpos
- summer-blooming
- stereospondyli
- spring-blooming
- spironolactone
- spaciotemporal
- soul-destroying
- sequoiadendron
- self-protection
- self-absorption
- scombresocidae
- sarcosporidian
- rimsky-korsakov
- rimski-korsakov
- prothrombinase
- popularisation
- pollotarianism
- plasmodiophora
- photoretinitis
- perinatologist
- ouranopithecus
- osteosclerosis
- orthomyxovirus
- omnivorousness
- nonoscillatory
- neoromanticism
- neobehaviorism
- narcoterrorism
- microsporidian
- microeconomist
- microcephalous
- metamorphopsia
- metagrobolised
- mastigoproctus
- macroeconomist
- lophosoriaceae
- leiomyosarcoma
- jewish-orthodox
- hystricomorpha
- hypsiprymnodon
- hydronephrosis
- horror-stricken
- high-resolution
- haplosporidian
- haemosporidian
- haemosiderosis
- glamourisation
- frontierswoman
- frolicsomeness
- fluoridisation
- fermentologist
- enthronisation
- enterostenosis
- double-crossing
- dnipropetrovsk
- disforestation
- dichromatopsia
- di-iodotyrosine
- dermatomycosis
- depolarisation
- demoralisation
- crossopterygii
- cross-sectional
- cross-pollinate
- counsellorship
- comparison-shop
- christological
- chordospartium
- choeronycteris
- brownish-orange
- brownish-yellow
- branchiopodous
- bowdlerisation
- basidiosporous
- artiodactylous
- anthropologism
- anthoceropsida
- aepyorniformes
- actinomorphous
- acnidosporidia
Phrases (288)
- yellowish brown
- william crookes
- south yorkshire
- social relation
- social reformer
- social contract
- shallow fording
- rockrose family
- robinson crusoe
- reverse osmosis
- remission of sin
- radio telescope
- radio broadcast
- place of worship
- phobic neurosis
- phobic disorder
- persea borbonia
- pair of trousers
- opposite number
- myrrhis odorata
- multiflora rose
- mother superior
- miles gloriosus
- mastoid process
- louis v of france
- louis armstrong
- lion-jaw forceps
- line of products
- lennox robinson
- law of parsimony
- jousting armour
- job description
- jackie robinson
- iroquois league
- irish wolfhound
- in loco parentis
- historic period
- hero worshipper
- georges simenon
- genus rhincodon
- genus porcellio
- genus oryzopsis
- genus doronicum
- genus diospyros
- francois villon
- episodic memory
- data conversion
- cross infection
- crocodile tears
- cristobal colon
- course of action
- county of artois
- coumarone resin
- contopus virens
- coniferous tree
- composite order
- comfort station
- collector's item
- cervus unicolor
- bullock's oriole
- boston cream pie
- bosporus bridge
- boa constrictor
- bartolomeu dias
- axis of rotation
- apple of discord
- apollo asteroid
- adverse opinion
- act of terrorism
- xiphoid process
- work in progress
- word processing
- wollaston prism
- winter mushroom
- white wood aster
- white snakeroot
- vittorio de sica
- vitreous humour
- visible horizon
- viscid mushroom
- viola conspersa
- victoria sponge
- vicar apostolic
- venomous lizard
- vena vorticosum
- unknown soldier
- universal donor
- turkish tobacco
- turkish boxwood
- trap-door spider
- training school
- torsion balance
- threshing floor
- terrorist group
- television room
- symbion pandora
- sure as shooting
- suborder otides
- styloid process
- striped dogwood
- strait of hormuz
- stop-limit order
- sting operation
- steroid hormone
- steroid alcohol
- spiral notebook
- spinous process
- sounding rocket
- sound recording
- sorting program
- sorghum bicolor
- solidago rugosa
- solar radiation
- sodium fluoride
- sodium chloride
- sodium chlorate
- socratic method
- socotra begonia
- snowshoe rabbit
- slide projector
- sir tom stoppard
- sir oliver lodge
- sinoatrial node
- silk-cotton tree
- sign of the cross
- siege of orleans
- shooting script
- serial monogamy
- scotch marigold
- school district
- school crossing
- sayornis phoebe
- sales promotion
- roystonea regia
- rough horsetail
- rosa multiflora
- rocky mountains
- rock cornish hen
- robinia viscosa
- robert robinson
- risk of exposure
- ringer solution
- richardson vole
- rhomboid muscle
- rhincodon typus
- responsible for
- resolving power
- religious order
- radio astronomy
- quercus bicolor
- provisional ira
- prosodic system
- promissory note
- production cost
- problem solving
- prevention cost
- posthole digger
- posterior naris
- post-hole digger
- port jackson fig
- poor white trash
- poor man's orchid
- pinus ponderosa
- phosphoric acid
- petit bourgeois
- personal income
- penobscot river
- pair of scissors
- ozark mountains
- oxalis tuberosa
- out of this world
- os trapezoideum
- orthotic insole
- orlando di lasso
- oriolus oriolus
- oriental person
- organic process
- order xiphosura
- order opiliones
- order isoetales
- one-sixty-fourth
- oleandra mollis
- notions counter
- north yorkshire
- nonsolid colour
- non prosequitur
- nodes of ranvier
- nerodia sipedon
- naproxen sodium
- napoleonic wars
- mushroom pimple
- muscari comosum
- morrison r. waite
- monitor speaker
- moloch horridus
- moccasin flower
- missionary work
- missionary post
- miraculous food
- mass production
- marie grosholtz
- malus coronaria
- mahonia nervosa
- louis x of france
- louis de broglie
- louis d'outremer
- lotario di segni
- kochia scoparia
- kaposi's sarcoma
- iris versicolor
- indian rosewood
- in one's own right
- hydnocarpus oil
- housing project
- house of worship
- house of windsor
- horned dinosaur
- holistic theory
- harold nicolson
- harbor porpoise
- gopher tortoise
- giant coreopsis
- george harrison
- genus sitotroga
- genus protoavis
- genus prosopium
- genus prionotus
- genus porphyrio
- genus polyprion
- genus persoonia
- genus oxytropis
- genus momordica
- genus eriogonum
- genus dioscorea
- genus coronilla
- genus coreopsis
- genus choriotis
- genus bloomeria
- genus acrocomia
- foreign mission
- flowering stone
- florist's willow
- ficus sycomorus
- express emotion
- etropus rimosus
- electron optics
- economic crisis
- disk controller
- dishcloth gourd
- diospyros lotus
- dioscorea alata
- desert tortoise
- danceroom music
- cytologic smear
- court of justice
- cosimo the elder
- corona borealis
- coriolis effect
- copper rockfish
- coordinate axis
- common starling
- combat neurosis
- color blindness
- chinese cork oak
- castor-oil plant
- carnivorous bat
- burnishing tool
- buffer solution
- bromoil process
- borough english
- booster station
- boletus frostii
- boarding school
- blood dyscrasia
- billiard saloon
- bidens coronata
- bibos frontalis
- bedsitting room
- bathroom tissue
- ballyhoo artist
- baiomys taylori
- aurora borealis
- audio forensics
- asian crocodile
- aortic stenosis
- absorption unit
- absorption band
- abronia villosa