15-Letter Words Containing: I,R,R,O
(In Any Order)
There are 825 15 letter words,
690 15 letter phrases and
0 15 letter abbr's with
I,R,R,O in.
Best Scoring for Word Games
| Word | Save | Length | Usage | Points | Type | ||
|---|---|---|---|---|---|---|---|
| microearthquake | 15 | 35 | nounn | ||||
Valid word for Scrabble US
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| hyperpolarizing | 15 | 35 | adjectiveadj | ||||
Valid word for Scrabble US
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| exoerythrocytic | 15 | 35 | adjectiveadj | ||||
Valid word for Scrabble US
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| hydroxyprolines | 15 | 34 | nounn | ||||
noun • a crystalline amino acid obtained from gelatin or collagen | |||||||
| 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 | |||||||
| xerographically | 15 | 33 | adverb, adjectiveadv, adj | ||||
Valid word for Scrabble US
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| gyrofrequencies | 15 | 33 | nounn | ||||
Valid word for Scrabble US
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| paramyxoviruses | 15 | 32 | nounn | ||||
noun • Any member of the Paramyxoviridae family of negative-sense single-stranded RNA viruses responsible for a number of human and animal diseases. | |||||||
| hyperexcretions | 15 | 32 | nounn | ||||
Valid word for Scrabble US
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| xeroradiography | 15 | 32 | nounn | ||||
noun • radiography using X-rays and xerographic (rather than roentgenographic) techniques | |||||||
| 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 (825)
- straightforward
- extraordinarily
- revolutionaries
- cinematographer
- inappropriately
- procrastinating
- procrastination
- electrophoresis
- uncontroversial
- surreptitiously
- anthropomorphic
- appropriateness
- proportionately
- gloucestershire
- gastroenteritis
- cardiopulmonary
- vasoconstrictor
- trustworthiness
- trinitrotoluene
- controversially
- transmogrifying
- stereoisomerism
- stereochemistry
- reconcentration
- recertification
- microphotograph
- reapportionment
- proportionality
- prestidigitator
- gynandromorphic
- counterirritant
- distributorship
- interrogatories
- transfiguration
- retrospectively
- reconsideration
- neuropsychiatry
- misappropriated
- correspondingly
- reauthorization
- reappropriating
- overdramatizing
- microelectronic
- interrogatively
- atherosclerosis
- reproducibility
- progressiveness
- nonprescription
- noninterference
- meritoriousness
- insurrectionist
- insurrectionary
- hermaphroditism
- disproportional
- chromatographic
- centrosymmetric
- weatherproofing
- unextraordinary
- ultramicrotomes
- trisoctahedrons
- trigonometrical
- transmigrations
- transhistorical
- transformations
- transcriptional
- territorialized
- temerariousness
- supernutritions
- revolutionizers
- revolutionarily
- retrogressively
- reprivatization
- repristinations
- representations
- reorganizations
- reorchestration
- reorchestrating
- reinvigorations
- reincorporating
- refortification
- reconstructible
- reconfiguration
- reafforestation
- reaccreditation
- radiometrically
- radioautography
- progressivistic
- prognosticators
- preregistration
- preprofessional
- prefabrications
- posthemorrhagic
- parametrization
- overrefinements
- overglamorizing
- overdecorations
- overcontrolling
- overarticulates
- overarticulated
- orchestrational
- odoriferousness
- nonprofessorial
- noncontributory
- nitroglycerines
- misappropriates
- microprocessors
- irrationalities
- irrationalistic
- interrogational
- interpretations
- interiorization
- interferometers
- intercorrelates
- intercorrelated
- interconverting
- interconversion
- incorrectnesses
- improvisatorial
- hypercorrection
- historiographic
- harpsichordists
- foreordinations
- floriferousness
- floriculturists
- enterobacterium
- electrosurgical
- disproportioned
- diastereoisomer
- daguerreotypist
- counterstriking
- countercharging
- corticotrophins
- corticosterones
- confraternities
- circumnavigator
- chlorpromazines
- bronchodilators
- autoradiographs
- autocorrelation
- autobiographers
- arteriographies
- arrondissements
- anthropometries
- transliteration
- redetermination
- radioprotection
- preservationist
- circumscription
- carnivorousness
- atherosclerotic
- anthropocentric
- xerographically
- worrisomenesses
- unrevolutionary
- uniformitarians
- undernutritions
- ultramodernists
- ultrafiltration
- ultrademocratic
- ultracommercial
- trifluoperazine
- transportations
- transpirational
- transmissometer
- transistorizing
- transistorising
- thermoperiodism
- territorializes
- territorialists
- territorialisms
- tergiversations
- teratocarcinoma
- temporarinesses
- superscriptions
- supersaturation
- supermajorities
- supererogations
- subproletariats
- streptothricins
- sporangiophores
- spectrographies
- seroconversions
- semipornography
- rumormongerings
- revalorizations
- retroreflective
- retroreflection
- retroperitoneal
- retrogradations
- retroactivities
- retransmissions
- resurrectionist
- restrictionists
- restrictionisms
- reservationists
- reregistrations
- repolarizations
- rephotographing
- remonstratively
- reintroductions
- reincorporation
- regularizations
- refractometries
- reformabilities
- reflectometries
- redistributions
- redintegrations
- reconstructions
- reconsecrations
- reconfirmations
- reconcentrating
- reactionaryisms
- radiotherapists
- radiotelemetric
- radiotelegraphs
- radiostrontiums
- radioprotective
- radioautographs
- psychosurgeries
- protoporphyrins
- protohistorians
- prosopographies
- proprioceptions
- proprietorships
- proportionating
- proletarianizes
- proletarianized
- proletarianises
- proletarianised
- progressivities
- procrastinators
- prioritizations
- preterminations
- pressurizations
- preponderations
- preponderancies
- prehistorically
- preformationist
- postirradiation
- phrasemongering
- photogrammetric
- phonocardiogram
- perfunctoriness
- parthenocarpies
- pararosanilines
- paranormalities
- paramyxoviruses
- parajournalisms
- oversubscribing
- oversaturations
- overregulations
- overprotections
- overproportions
- overprogramming
- overproductions
- overprescribing
- overpersuasions
- overornamenting
- overgeneralizes
- overgeneralized
- overfertilizing
- overextractions
- overentertained
- overengineering
- overencouraging
- overelaboration
- overelaborating
- overdiversities
- overcompressing
- overcentralizes
- overcentralized
- overadvertising
- orthopsychiatry
- organomercurial
- organochlorines
- opprobriousness
- norepinephrines
- nonreproductive
- nonintercourses
- noncorrelations
- nonbarbiturates
- nonaristocratic
- nonarchitecture
- nonagricultural
- neurosecretions
- neurofibrillary
- multiprocessors
- misregistration
- miscorrelations
- microstructures
- microstructural
- microsporocytes
- microradiograph
- micropublishers
- microprojectors
- microprojection
- microporosities
- microphotometry
- micromorphology
- micrometeoroids
- micrometeorites
- microelectrodes
- microearthquake
- microbarographs
- mercaptopurines
- megacorporation
- malpractitioner
- majoritarianism
- irrevocableness
- irreformability
- irreconcilables
- intraperitoneal
- intervalometers
- interprovincial
- interpersonally
- interparoxysmal
- intergradations
- intergeneration
- interferometric
- interelectronic
- intercomparison
- interbehavioral
- instructorships
- incorruptnesses
- incorrigibility
- hypersecretions
- hyperresponsive
- hyperproduction
- hyperpolarizing
- hypermodernists
- hyperexcretions
- hydroxyprolines
- hydrocortisones
- horticulturists
- hexylresorcinol
- heteromorphisms
- heterochromatin
- heterochromatic
- hematoporphyrin
- gyrostabilizers
- gyrofrequencies
- fraternizations
- formularization
- ferromagnetisms
- exoerythrocytic
- erythropoietins
- epichlorohydrin
- enterobacterial
- echocardiograms
- dorsoventrality
- dorsiventrality
- diffractometric
- diffractometers
- decarburization
- daguerreotyping
- daguerreotypies
- cryptosporidium
- cryptorchidisms
- crashworthiness
- counterstricken
- counterreaction
- counterrallying
- counterordering
- countermarching
- counterguerilla
- corynebacterial
- corticosteroids
- corrosivenesses
- corrigibilities
- controllerships
- contradictories
- containerboards
- conservatorship
- concertmeisters
- chronotherapies
- choriocarcinoma
- chondrocraniums
- chlorpropamides
- carcinosarcomas
- brotherlinesses
- biostratigraphy
- aromatherapists
- antiprogressive
- antipornography
- antiforeclosure
- airworthinesses
- xeroradiography
- weatherboarding
- underproduction
- ultramicroscope
- thermochemistry
- superpatriotism
- radiotelegraphy
- pyroelectricity
- programmability
- photomicrograph
- overfamiliarity
- nonhierarchical
- microsporophyll
- microsporangium
- microphotometer
- micrometeoritic
- hyperthyroidism
- horticulturally
- historiographer
- exteriorization
- electrophoretic
- crossopterygian
- corynebacterium
- contradictorily
- comptrollership
- circularization
- autoradiography
- antiferromagnet
- ultraprecisions
- prerevisionists
- overabstracting
- nonreproducible
- nonprogressives
- interoperatives
- interelectrodes
- anticorruptions
- wondermongering
- whoremistresses
- watercolourists
- untrustworthily
- unproportionate
- unprogressively
- underperforming
- undernourishing
- ultramodernisms
- ultramicroscopy
- ultramicrometer
- tripersonalists
- tripersonalisms
- trinitrotoluols
- trinitrophenols
- trinitrocresols
- trinitrobenzene
- trichloroacetic
- transliterators
- transgressional
- trainspotterish
- torrentialities
- thiobarbiturate
- thermotherapies
- thermochromisms
- theriomorphosis
- theriomorphoses
- theriomorphisms
- therianthropism
- tetartohedrisms
- territorialises
- territorialised
- synarthrodially
- supervisorships
- superstructions
- superorganicist
- superorganicism
- superordinating
- supercargoships
- subversionaries
- strombuliferous
- stratospherical
- strabismometers
- stereoisometric
- stereographical
- sporangiospores
- sphaerosiderite
- sinistrodextral
- showerproofings
- sherardizations
- sherardisations
- scolopendriform
- scaremongerings
- sarraceniaceous
- rostrocarinates
- riverworthiness
- rhyparographies
- rhombporphyries
- rhinoscleromata
- revolutionisers
- reverberatories
- revalorisations
- retromingencies
- retrogressional
- retrocognitions
- retroactiveness
- resynchronizing
- resynchronising
- resurrectionize
- resurrectionism
- resurrectionise
- resurrectionary
- restorationists
- restorationisms
- reprivatisation
- repolarisations
- reorganisations
- renormalization
- renormalisation
- remoralizations
- remoralisations
- remonstratingly
- reinterrogation
- reinterrogating
- regularisations
- refrigeratories
- reformationists
- recrementitious
- reciprocalities
- recalcitrations
- reauthorisation
- radiotelemeters
- radiophosphorus
- radiogoniometer
- quadripartition
- pyretotherapies
- pterylographies
- psychrometrical
- psychogeriatric
- pseudoarthrosis
- proverbializing
- proverbialising
- protospatharius
- protospathaires
- prothonotariats
- proprietorially
- proportionments
- properispomenon
- prolocutorships
- proletarianness
- proletarianisms
- progressionists
- progressionisms
- progressionally
- progenitorships
- procuratorships
- procreativeness
- procrastinatory
- procrastinative
- probationership
- probabiliorists
- probabiliorisms
- prioritisations
- primordialities
- primogenitrixes
- primogenitrices
- pressurisations
- preformationism
- predatorinesses
- preconstruction
- preconstructing
- porphyrogenites
- phraseographies
- phototransistor
- photorefractive
- petrocurrencies
- peroxysulphuric
- paroemiographer
- parametrisation
- paraheliotropic
- overpreparation
- overglamorising
- overgeneralises
- overgeneralised
- overflourishing
- overfertilising
- overdramatising
- overcredulities
- overcorrections
- overcentralises
- overcentralised
- ostreiculturist
- osteoarthritics
- orthophosphoric
- orthochromatism
- organotherapies
- organographists
- organographical
- orchesographies
- oneirocriticism
- northwesterlies
- northerlinesses
- northeasterlies
- norethisterones
- neurosurgically
- neuromarketings
- narcoterrorists
- narcoterrorisms
- myristicivorous
- myocardiographs
- mountainboarder
- mortiferousness
- morbilliviruses
- misproportioned
- micropyrometers
- microprocessing
- micromicrofarad
- micromicrocurie
- micromarketings
- microaerophilic
- microaerophiles
- margaritiferous
- marconigraphing
- malappropriates
- malappropriated
- lamellirostrate
- kinematographer
- isoperimetrical
- irresolvability
- irremovableness
- irreconcilement
- irreciprocities
- irrationalizing
- irrationalising
- interrogatorily
- interrogatingly
- intermigrations
- interlocutrixes
- interlocutrices
- interlocutorily
- interjectionary
- interjaculatory
- interiorisation
- interconnectors
- indiscretionary
- incrossbreeding
- improvvisatrice
- improvvisatores
- improvisatrixes
- improvisatrices
- imperturbations
- icositetrahedra
- hystricomorphic
- hyperpolarising
- hypermetropical
- hygrometrically
- hydrotropically
- hydrotherapists
- hydrometrically
- hydrocorallines
- hierogrammatist
- heterostrophies
- heterographical
- heterochronisms
- heterocercality
- herniorrhaphies
- heresiographies
- heresiographers
- herbivorousness
- gyrostabilisers
- groundbreakings
- graviperception
- grangerizations
- grangerisations
- gastroenteritic
- fraternisations
- formularisation
- foreshortenings
- foreordainments
- flashforwarding
- fibrocartilages
- ferroprussiates
- farthingsworths
- extraordinaries
- exterritorially
- extemporariness
- erythromelalgia
- electrothermies
- electrothermics
- electrometrical
- electrographies
- electroformings
- ectomycorrhizas
- ectomycorrhizae
- durchkomponiert
- dorsibranchiate
- doctrinarianism
- disincorporates
- disincorporated
- discretionarily
- disarticulators
- disappropriates
- disappropriated
- differentiators
- dextrorotations
- dermatographies
- dermatographias
- deregistrations
- denitrificators
- demeritoriously
- dehydroretinols
- decarburisation
- cyberterrorists
- cyberterrorisms
- cryptographists
- cryoprecipitate
- courtmartialled
- countercharming
- corruptibleness
- corrosibilities
- corrodibilities
- corroboratively
- correligionists
- correlativities
- correlativeness
- corpuscularians
- corporification
- contrariousness
- conspiratresses
- conservatoriums
- circumgyrations
- circumforaneous
- circumferentors
- circumambulator
- cinemicrography
- chronogrammatic
- chromotherapies
- chondrophorines
- chartographical
- cervicographies
- certificatories
- cardiographical
- bronchographies
- brachiosauruses
- astronavigators
- arterialization
- arterialisation
- archpriesthoods
- archaeometrists
- anthropometrist
- anthropolatries
- angustirostrate
- allotriomorphic
- acroparesthesia
- absorptiometers
- world-shattering
- winter-flowering
- ureterostenosis
- trondheimsfjord
- trichloroethane
- tribromomethane
- tribromoethanol
- tranylcypromine
- torpediniformes
- tetrasporangium
- superordination
- summer-flowering
- spring-flowering
- self-reformation
- scrophulariales
- schistorrhachis
- rhinotracheitis
- rhinotermitidae
- reithrodontomys
- reharmonization
- reharmonisation
- refractory-lined
- re-afforestation
- radiophotograph
- radiomicrometer
- radio-phonograph
- radio-gramophone
- radio-controlled
- proinflammatory
- pro-inflammatory
- price-controlled
- prechlorination
- praisworthiness
- poverty-stricken
- pentaerythritol
- overbearingness
- orycteropodidae
- ornithorhynchus
- nonrecreational
- nonenterprising
- nitrosobacteria
- nitrogen-bearing
- nitrochloroform
- neurodermatitis
- nephrosclerosis
- micromillimetre
- micromillimeter
- microchiroptera
- membrane-forming
- macrosporangium
- keratoscleritis
- irreligiousness
- interreflection
- insurrectionism
- ill-proportioned
- high-performance
- hierarchization
- hierarchisation
- heterotrichales
- grossulariaceae
- gamma-interferon
- exteriorisation
- energy-absorbing
- electrophoridae
- electrocutioner
- echocardiograph
- dryopteridaceae
- dromaeosauridae
- downward-arching
- cryptographical
- cross-questioner
- corticoefferent
- corticoafferent
- commercial-grade
- circularisation
- chrysochloridae
- christocentrism
- chorioretinitis
- charadriiformes
- brownish-striped
- brightly-colored
- brachistochrone
- archaeobacteria
- arboriculturist
- antheridiophore
- angiocardiogram
- alpha-interferon
- accipitriformes
Phrases (690)
- water absorption
- violent disorder
- victor-marie hugo
- urethral orifice
- training program
- time of departure
- theodore dreiser
- tactile property
- superior general
- suborder oscines
- suborder ophidia
- strait of georgia
- straight shooter
- stormwater drain
- startle reaction
- spreading factor
- spatial property
- source materials
- solar prominence
- social structure
- sir john vanbrigh
- sir john herschel
- sir francis bacon
- singapore dollar
- service contract
- seriola dorsalis
- serial operation
- sergei prokofiev
- sacramento river
- rubus fruticosus
- rock of gibraltar
- robert a. heinlein
- richard d. fosbury
- rescue operation
- res ipsa loquitur
- religious ritual
- religious person
- religious leader
- relative pronoun
- regius professor
- reflective power
- reciprocal cross
- rangifer caribou
- rainbow lorikeet
- quarter sessions
- protective cover
- private property
- primordial dwarf
- president hoover
- portrait painter
- pilomotor reflex
- pilgrim's journey
- pictorial matter
- passeriform bird
- pair of virginals
- outside marriage
- osmotic pressure
- order testudines
- order scandentia
- order sapindales
- order rajiformes
- order of business
- order gruiformes
- order crocodylia
- order crocodilia
- order chiroptera
- order alcyonaria
- on a regular basis
- nervus femoralis
- military officer
- military control
- military advisor
- matrix operation
- maria montessori
- mail-order buying
- magnolia fraseri
- lonicera hirsuta
- lionel barrymore
- learned reaction
- lauritz melchior
- laurence olivier
- kraurosis vulvae
- junction barrier
- irrigation ditch
- ironmonger's shop
- intrinsic factor
- intravenous drip
- insurance broker
- horseback riding
- historical paper
- herman hollerith
- graphical record
- grand inquisitor
- golden retriever
- gloriosa superba
- geomys bursarius
- genus rosmarinus
- genus rhizophora
- genus rhinoptera
- genus eriobotrya
- genus coriandrum
- fraxinus oregona
- francois mansart
- fort ticonderoga
- foreign minister
- first in first out
- falco peregrinus
- essential tremor
- ernst boris chain
- edouard vuillard
- edouard lemaitre
- eccentric person
- drill instructor
- direction finder
- dictionary entry
- democratic party
- cypriniform fish
- crepitation rale
- coronoid process
- coraciiform bird
- columbiform bird
- cirsium discolor
- chondrus crispus
- chicory escarole
- chemical reactor
- cavity resonator
- by trial and error
- butterfly orchis
- butterfly orchid
- broomrape family
- british honduras
- bricks and mortar
- borrowed capital
- bodily structure
- beryllium bronze
- bathroom fixture
- auxiliary boiler
- arturo toscanini
- artist's workroom
- arthur eddington
- arteria poplitea
- arrowroot family
- anti-torque rotor
- anorexia nervosa
- andrei tarkovsky
- ancestor worship
- american parasol
- alfred korzybski
- alectoris graeca
- air-to-air missile
- affaire d'honneur
- advisory service
- achromatic color
- academic program
- xyris operculata
- x-ray diffraction
- wound tumor virus
- withdrawing room
- wintera colorata
- winter crookneck
- william bradford
- wide area network
- white rhinoceros
- water chevrotain
- vireo solitarius
- victor franz hess
- vibratory hammer
- ventricular fold
- vena perforantis
- vena obturatoria
- variorum edition
- ursus horribilis
- umbrina roncador
- turn a nice dollar
- truncation error
- triquetrous leek
- trifolium repens
- trial impression
- trade protection
- tomentum cerebri
- tomato fruitworm
- tightrope walker
- tidewater region
- thrinax morrisii
- thermobaric bomb
- thermal resistor
- theory of gravity
- theatre director
- theater director
- terrorist attack
- territorial army
- tarquin the proud
- tallapoosa river
- sutura frontalis
- sutura coronalis
- surgical process
- suppurating sore
- supporting tower
- subordinate word
- suborder tyranni
- string orchestra
- strait and narrow
- square kilometre
- square kilometer
- spizella arborea
- spinal nerve root
- spike suppressor
- sorbus aucuparia
- sorbus americana
- sorbent material
- social secretary
- soapberry family
- smooth bark kauri
- smoking carriage
- skew correlation
- sir thomas malory
- sir peter ustinov
- sinus coronarius
- silvery wormwood
- shenandoah river
- shagbark hickory
- service elevator
- self-rising flour
- seizure-alert dog
- sedimentary rock
- second trimester
- scottish terrier
- saxicola rubetra
- sartorius muscle
- sarracenia minor
- saratoga springs
- san joaquin river
- saint johns river
- russian roulette
- russian orthodox
- rudolf wurlitzer
- rubia cordifolia
- round-trip ticket
- rorippa amphibia
- roofing material
- romneya coulteri
- romantic realism
- rolando's fissure
- roger de mortimer
- robinson jeffers
- ringer's solution
- ring-around-a-rosy
- ring rot bacteria
- richard lovelace
- richard j. roberts
- rhus quercifolia
- rhus diversiloba
- revolving credit
- reusable routine
- restriction site
- respiratory rate
- resonant circuit
- requisition form
- republic of niger
- republic of nauru
- republic of korea
- reporting weight
- religious trance
- releasing factor
- reiter's syndrome
- reinhold niebuhr
- regression curve
- refrigerator car
- red osier dogwood
- red morning-glory
- recording system
- recording studio
- read/write memory
- reaction turbine
- reacquired stock
- rate of attrition
- ralph richardson
- rainbow seaperch
- railroad station
- radio brightness
- racial profiling
- rabbit's-foot fern
- quercus borealis
- pyrrhus of epirus
- pyrophoric alloy
- pyrola americana
- purkinje network
- public transport
- proxima centauri
- protoctist order
- proterozoic aeon
- protea mellifera
- proprietary drug
- proportional tax
- progressive rock
- production order
- process printing
- proboscis flower
- privet andromeda
- printing process
- printing concern
- primrose jasmine
- primitive person
- primary election
- pride of barbados
- president taylor
- president monroe
- preparation fire
- predatory animal
- precambrian aeon
- prairie schooner
- prairie sagewort
- praetorian guard
- porphyritic rock
- popliteal artery
- pope gregory xiii
- polar coordinate
- point of no return
- pityriasis rosea
- pierre-paul broca
- pierre corneille
- pieris protodice
- picture postcard
- periploca graeca
- perforating vein
- peregrine falcon
- penstemon parryi
- pectoralis minor
- pectoralis major
- pearly razorfish
- past progressive
- partner relation
- participant role
- partial abortion
- parabolic mirror
- papillary tumour
- panduriform leaf
- overhead railway
- overdraft credit
- os tarsi fibulare
- origanum vulgare
- organic disorder
- ordinary bicycle
- ordinary annuity
- order uredinales
- order therapsida
- order secotiales
- order saurischia
- order rheiformes
- order radiolaria
- order psilotales
- order primulales
- order piciformes
- order phalangida
- order pediculati
- order parietales
- order orchidales
- order opuntiales
- order moniliales
- order lichenales
- order insessores
- order hyracoidea
- order helotiales
- order graminales
- order ginkgoales
- order geraniales
- order gadiformes
- order eurotiales
- order ephemerida
- order embioptera
- order dinocerata
- order dicranales
- order cydippidea
- order branchiura
- order agaricales
- order actiniaria
- orbital rotation
- oral personality
- ophrys muscifera
- oliver ellsworth
- olive-tree agaric
- olfersia cervina
- office furniture
- nuclear reaction
- northern woodsia
- northern whiting
- northern ireland
- northern harrier
- northern baptist
- north frigid zone
- north carolinian
- nitrous bacteria
- nitrogen mustard
- newspaper editor
- neuroleptic drug
- nestorian church
- nervous disorder
- nerita peloronta
- natural covering
- mustelus norrisi
- motor nerve fiber
- morone americana
- mordecai richler
- montagu's harrier
- monohybrid cross
- mohria caffrorum
- millard fillmore
- military uniform
- military posture
- miguel jose serra
- migratory locust
- micrometer gauge
- metamorphic rock
- mercury chloride
- medicago arborea
- matrix inversion
- mary harris jones
- martyr operation
- mariner's compass
- maria montesorri
- magnetic iron-ore
- maffeo barberini
- maclura pomifera
- lust for learning
- lupinus arboreus
- lunar time period
- lower california
- louis untermeyer
- louis the bruiser
- louis harold gray
- lorenzo dressing
- logic programing
- liomys irroratus
- lightly armoured
- lactuca serriola
- kuroshio current
- kilogram calorie
- judicial torture
- jorge luis borges
- john rupert firth
- jerome david kern
- ivory coast franc
- iron perchloride
- iris pseudacorus
- ipomoea tricolor
- ipomoea purpurea
- intraocular lens
- internal nostril
- internal control
- internal auditor
- interior live oak
- interim overhaul
- intercom speaker
- inter vivos trust
- indian coral tree
- indian breadroot
- indian arrowroot
- income tax return
- important person
- imperforate anus
- immersion heater
- ileocolic artery
- idria columnaris
- hydroxyl radical
- hydrogen bromide
- hydrobromic acid
- housatonic river
- horseradish root
- horsehair lichen
- honorary society
- homarus vulgaris
- holy war warriors
- holy roman empire
- heterocercal fin
- herb christopher
- henry louis aaron
- henry iv of france
- henry ii of france
- hendrik verwoerd
- hemorrhagic cyst
- helleborus niger
- helicteres isora
- heat prostration
- hearing disorder
- have intercourse
- hairy willowherb
- hairball formula
- gyromitra infula
- grigori rasputin
- grigori potyokin
- grigori potemkin
- grifola frondosa
- grias cauliflora
- greyhound racing
- green revolution
- green douglas fir
- greco-roman deity
- great white heron
- great depression
- grade separation
- gracilariid moth
- george du maurier
- geometric series
- geometric isomer
- genus stropharia
- genus rhinoceros
- genus pomaderris
- genus polycirrus
- genus perisoreus
- genus oreopteris
- genus nigroporus
- genus micromeria
- genus forestiera
- genus eriophorum
- genus eragrostis
- genus dryopteris
- genus crotalaria
- genus cronartium
- genus cortaderia
- genus brevoortia
- genus aureolaria
- genus ariocarpus
- gentiana procera
- genetic disorder
- funeral director
- freight elevator
- fraternity house
- frasera speciosa
- francois mauriac
- francisco franco
- franciscan order
- fragrant woodsia
- fourth ventricle
- fourier analysis
- four-line brevier
- fortran compiler
- forceps delivery
- fluoroboric acid
- flowering spurge
- flowering cherry
- flower gardening
- florida water rat
- ferrocyanic acid
- falco sparverius
- external orifice
- external carotid
- evening primrose
- european bittern
- ethmoidal artery
- erroneous belief
- equestrian sport
- english primrose
- embroidery frame
- emberiza aureola
- electronic organ
- electrical storm
- electrical power
- edward thorndike
- edward g. robinson
- earl of leicester
- dwarf nipplewort
- dwarf grey willow
- dwarf gray willow
- drooping juniper
- douglas squirrel
- domestic partner
- dobereiner's lamp
- direct discourse
- dipteryx odorata
- diospyros kurzii
- diodora apertura
- diceros bicornis
- devonshire cream
- destruction fire
- delairea odorata
- cursorius cursor
- crowberry family
- crotalus viridis
- cross of lorraine
- covert operation
- country of origin
- cosmetic surgery
- corpus mamillare
- coronary failure
- corona discharge
- cornelian cherry
- corinthian order
- coregonus artedi
- cordia alliodora
- conradina glabra
- computer monitor
- computer graphic
- computer circuit
- commuter traffic
- commercial paper
- colorado springs
- close-order drill
- clitoria mariana
- cigarette smoker
- cigarette holder
- church of ireland
- chromatic colour
- christmas flower
- christmas factor
- choroidal artery
- chloris truncata
- chipping sparrow
- chinese primrose
- checking program
- chao phraya river
- centre of gravity
- center of gravity
- catherine howard
- caspar bartholin
- cartridge holder
- carthusian order
- cargo helicopter
- capparis arborea
- cancer irroratus
- brussels griffon
- brown university
- broomcorn millet
- bronchial artery
- brigit of kildare
- breach of promise
- bosphorus bridge
- boron fertilizer
- boron fertiliser
- bordeaux mixture
- bomb calorimeter
- bluegrass region
- bloomeria crocea
- bladder disorder
- black rhinoceros
- birthwort family
- birth prevention
- bird's foot clover
- bipolar disorder
- binary operation
- billiard parlour
- behavior therapy
- bearberry willow
- barium protoxide
- barium hydroxide
- baltimore oriole
- ballast resistor
- aversion therapy
- averrhoa bilimbi
- authority figure
- aurora australis
- attractive force
- atlantic croaker
- arundo richardii
- arthropod family
- arsenic trioxide
- arnoseris minima
- arnold of brescia
- armoured vehicle
- armorial bearing
- armored searobin
- armored sea robin
- armored dinosaur
- arizona sycamore
- argiope aurantia
- apparent horizon
- anxiety disorder
- angostura bridge
- anal intercourse
- american lobster
- american frogbit
- ambrosia trifida
- ambrose burnside
- alligator wrench
- alligator lizard
- alizarin crimson
- aliterate person
- algorithmic rule
- aleurites fordii
- aletris farinosa
- airport terminal
- air force officer
- air force academy
- agave atrovirens
- african marigold
- aerobic exercise
- active transport
- acromial process
- absurdist humour
- abronia maritima
- abronia fragrans