19-Letter Words Containing: I,S,I
(In Any Order)
There are 210 19 letter words,
869 19 letter phrases and
0 19 letter abbr's with
I,S,I in.
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| Word | Save | Length | Usage | Points | Type | ||
|---|---|---|---|---|---|---|---|
We couldn't find any valid Scrabble US words with a length of 19. Try changing the version of the game.
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All 19 Letter Words
Words (210)
- hyperparathyroidism
- psychophysiological
- sternocleidomastoid
- untranslatabilities
- unintelligibilities
- unidimensionalities
- understandabilities
- unconventionalities
- uncontrollabilities
- unconscionabilities
- uncompetitivenesses
- unapproachabilities
- ultrasegregationist
- tridimensionalities
- transubstantiations
- transplantabilities
- transmogrifications
- transformationalist
- thermoperiodicities
- thermoelectricities
- territorializations
- superspecialization
- superconductivities
- superadministrators
- stereospecificities
- sentimentalizations
- semiconsciousnesses
- sanctimoniousnesses
- revolutionarinesses
- representationalist
- representationalism
- reinstitutionalizes
- reinstitutionalized
- reindustrialization
- psychotomimetically
- psychophysiologists
- pseudosophisticated
- proletarianizations
- prefigurativenesses
- posttranscriptional
- postmillenarianisms
- polyribonucleotides
- polyesterifications
- polychromatophilias
- phytohemagglutinins
- photosensitizations
- photodisintegration
- photodisintegrating
- photodecompositions
- photoconductivities
- phosphatidylcholine
- phonocardiographies
- phenomenalistically
- perspicaciousnesses
- parathyroidectomies
- paleoclimatologists
- ovoviviparousnesses
- overspecializations
- oversimplifications
- oversensitivenesses
- overinterpretations
- overindustrializing
- overidentifications
- overgeneralizations
- overclassifications
- overcentralizations
- overcapitalizations
- overambitiousnesses
- nonrelativistically
- noninterventionists
- nonenforceabilities
- neurofibromatosises
- multitudinousnesses
- mischaracterization
- micropaleontologist
- micropaleontologies
- micrometeorologists
- microencapsulations
- microdensitometries
- lipopolysaccharides
- irresponsiblenesses
- irreproducibilities
- irreproachabilities
- irreconcilabilities
- introspectivenesses
- intersubjectivities
- interstratification
- interjurisdictional
- intercommunications
- interavailabilities
- inexpressiblenesses
- inexhaustiblenesses
- inefficaciousnesses
- indispensablenesses
- indeterminatenesses
- indestructibilities
- indescribablenesses
- indefatigablenesses
- inconspicuousnesses
- inconsideratenesses
- inconceivablenesses
- incommunicabilities
- inappropriatenesses
- impressionistically
- impressionabilities
- immunohistochemical
- immunohematologists
- immunocytochemistry
- hypoparathyroidisms
- hypersusceptibility
- hypersensitizations
- hyperirritabilities
- hyperexcitabilities
- hyperemotionalities
- historiographically
- histopathologically
- hemidemisemiquavers
- extraordinarinesses
- extralinguistically
- expressionistically
- exhibitionistically
- evapotranspirations
- establishmentarians
- entrepreneurialisms
- encephalomyelitides
- electrophysiologist
- electrophysiologies
- electronegativities
- electrodesiccations
- disrespectabilities
- disproportionations
- dispassionatenesses
- disinterestednesses
- disenfranchisements
- directionlessnesses
- dimethyltryptamines
- dimethylnitrosamine
- differentiabilities
- diethylstilbestrols
- diethylcarbamazines
- diastereoisomerisms
- deinstitutionalizes
- deinstitutionalized
- deindustrialization
- cytopathogenicities
- crosslinguistically
- counterretaliations
- counterinsurgencies
- counterinstitutions
- counterconspiracies
- counteradvertisings
- contradistinguishes
- contradistinguished
- contradistinctively
- contradictorinesses
- constitutionalizing
- constitutionalities
- conscientiousnesses
- conceptualistically
- comprehensibilities
- communicativenesses
- circumstantialities
- chromolithographies
- bourgeoisifications
- authoritativenesses
- antivivisectionists
- antirevolutionaries
- antifluoridationist
- antiferromagnetisms
- antidesertification
- anticonservationist
- anticholinesterases
- angiocardiographies
- agammaglobulinemias
- unconstitutionality
- unconscientiousness
- uncommunicativeness
- three-dimensionality
- third-dimensionality
- tetramethyldiarsine
- surface-assimilative
- sociolinguistically
- small-capitalization
- small-capitalisation
- resorcinolphthalein
- pseudohallucination
- professionalization
- professionalisation
- phacoemulsification
- penicillin-resistant
- parasympathomimetic
- obsessive-compulsive
- multidimensionality
- meningoencephalitis
- makataimeshekiakiak
- large-capitalisation
- intellectualisation
- individualistically
- incomprehensibility
- hypoadrenocorticism
- good-neighbourliness
- encephalomeningitis
- dihydrostreptomycin
- diethylstilboestrol
- diethylstilbesterol
- cross-linguistically
- cross-classification
- conventionalisation
- ballistocardiograph
- anarcho-collectivism
Phrases (869)
- zairese monetary unit
- visceral pericardium
- vena paraumbilicalis
- vena basivertebralis
- vector decomposition
- vaccinium vitis-idaea
- vaccinium corymbosum
- unix operating system
- university of chicago
- universe of discourse
- united nations agency
- union representative
- trichopterous insect
- transmission channel
- trans-alaska pipeline
- tragelaphus imberbis
- titus maccius plautus
- thalarctos maritimus
- television equipment
- television announcer
- teacher's certificate
- symphytum officinale
- sylvilagus palustris
- sylvilagus aquaticus
- swedish monetary unit
- survivorship annuity
- surveying instrument
- superoxide dismutase
- superior conjunction
- superfamily muroidea
- subscription warrant
- subfamily potoroinae
- subfamily perdicidae
- subfamily mephitinae
- subclass dilleniidae
- streptopelia risoria
- stizostedion vitreum
- stephen michael reich
- spoken communication
- specific performance
- spanish monetary unit
- south american nation
- south american indian
- solitary confinement
- solidarity surcharge
- sir noel pierce coward
- sierra madre oriental
- sexadecimal notation
- serbian monetary unit
- senior vice president
- semi-circular bastion
- scleropages jardinii
- scientific socialism
- scandinavian country
- saprophytic organism
- salicylate poisoning
- saintpaulia ionantha
- russian monetary unit
- rugged individualism
- restriction nuclease
- residential district
- republic of mauritius
- republic of costa rica
- reinforcing stimulus
- recursive definition
- rabbi moses ben maimon
- quercus vaccinifolia
- pteridium esculentum
- program optimisation
- proboscidea arenaria
- probability theorist
- positive correlation
- political sympathies
- point of intersection
- pilosella aurantiaca
- pierre-auguste renoir
- physical restoration
- physical composition
- petroselinum crispum
- periarteritis nodosa
- pelecaniform seabird
- passionflower family
- passiflora incarnata
- organization expense
- order psittaciformes
- order casuariiformes
- operational analysis
- occupational disease
- obstetrical delivery
- neurological disease
- musical organization
- musical organisation
- microtus richardsoni
- micromeria douglasii
- meat-packing business
- measuring instrument
- matrix transposition
- marmota flaviventris
- malpighian corpuscle
- magnolia soulangiana
- literary composition
- liquid body substance
- lepidopterous insect
- leon battista alberti
- lagerstroemia indica
- judgment of dismissal
- john millington synge
- jack william nicklaus
- isaac bashevis singer
- irrational hostility
- irish gaelic language
- intermittent tetanus
- inter-service support
- inspection and repair
- inexperienced person
- increasing monotonic
- in spite of appearance
- ignace jan paderewski
- hyssopus officinalis
- hylocichla mustelina
- hydrastis canadensis
- human papilloma virus
- housing commissioner
- hindoostani language
- himantopus mexicanus
- heritiera littoralis
- harmonic progression
- handle with kid gloves
- haliotis tuberculata
- gossypium peruvianum
- george hubert wilkins
- first vatican council
- first council of lyons
- finnish monetary unit
- financial assistance
- filippo brunelleschi
- family sterculiaceae
- family myristicaceae
- family lepisosteidae
- family istiophoridae
- family dasyproctidae
- family cynoglossidae
- family acipenseridae
- external respiration
- eudromias morinellus
- erectile dysfunction
- empire state building
- edna st. vincent millay
- dramatic composition
- dolichotis patagonum
- division schizophyta
- diversionary landing
- divergent strabismus
- distribution channel
- disability insurance
- dioscorea paniculata
- dibranchiate mollusk
- diagnostic procedure
- decreasing monotonic
- dari persian language
- dame jean iris murdoch
- course of instruction
- cost-of-living benefit
- cost-benefit analysis
- coryphaena equisetis
- cornelius vanderbilt
- corallorhiza striata
- conditioned stimulus
- conchoid of nicomedes
- communication system
- commissioned officer
- combustible material
- class basidiomycetes
- civil rights activist
- christ's resurrection
- chinese monetary unit
- charadrius vociferus
- cenchrus tribuloides
- carthamus tinctorius
- carpinus caroliniana
- carpathian mountains
- carboniferous period
- capital of washington
- capital of tajikistan
- cantabrian mountains
- canavalia ensiformis
- callitris endlicheri
- caesalpinia echinata
- building supply house
- bronislaw malinowski
- british monetary unit
- british capacity unit
- belamcanda chinensis
- bearing false witness
- battle of saint-mihiel
- ballistic trajectory
- autotrophic organism
- australian aborigine
- association football
- ascaris lumbricoides
- artemisia tridentata
- archosaurian reptile
- arabidopsis thaliana
- aquilegia canadensis
- antipodal opposition
- anaximenes of miletus
- amplitude distortion
- advertising division
- adlai ewing stevenson
- adirondack mountains
- acetylsalicylic acid
- abutilon theophrasti
- yellow mariposa tulip
- xenicus gilviventris
- women's liberationist
- william wymark jacobs
- william sydney porter
- william harrison hays
- william graham sumner
- william ashley sunday
- wild sweet potato vine
- wholesale price index
- white-tailed sea eagle
- white-stemmed filaree
- white-bellied swallow
- white silk-cotton tree
- western civilization
- west indian snowberry
- west indian satinwood
- water-soluble vitamin
- washington's birthday
- visual hallucination
- visual communication
- viscount northcliffe
- virginia serpentaria
- vexatious litigation
- vesicular stomatitis
- veronica officinalis
- ventriloquist's dummy
- variegated horsetail
- vanessa virginiensis
- vallisneria spiralis
- vaccinium myrsinites
- university of vermont
- university extension
- universal quantifier
- united states marines
- united states dry unit
- united states capitol
- united states cabinet
- united mexican states
- unit investment trust
- unilateral paralysis
- unfavorable position
- turkish monetary unit
- trilisa odoratissima
- trichinella spiralis
- treasury obligations
- transmission density
- transit declinometer
- transfusion reaction
- titus lucretius carus
- tineola bisselliella
- timothy francis leary
- tillandsia usneoides
- thelypteris simulata
- testimonial immunity
- territorial division
- terrestrial guidance
- tephrosia virginiana
- tadirida femorosacca
- systemic circulation
- systema alimentarium
- system administrator
- surgical suction pump
- surface-to-air missile
- surface assimilation
- supraglacial moraine
- supply-side economics
- superstitious notion
- superior thyroid vein
- suksdorfia violaceae
- suborder blennioidea
- subfamily pythoninae
- subfamily perdicinae
- subfamily garrulinae
- subfamily cetoniidae
- subclass magnoliidae
- subclass alismatidae
- striated muscle fiber
- stratum germinativum
- straight-fluted drill
- stinking bean trefoil
- stereoscopic picture
- sterculia acerifolia
- st. thomas and principe
- spurious correlation
- spousal relationship
- sport utility vehicle
- split-brain technique
- spirodela polyrrhiza
- spherical aberration
- speech communication
- special court-martial
- spasmodic laryngitis
- solanopteris bifrons
- socialist labor party
- sir alexander fleming
- sino-tibetan language
- singular proposition
- signals intelligence
- sierra lodgepole pine
- sideroblastic anemia
- shirodkar's operation
- shigella dysenteriae
- sewing-machine stitch
- sesbania grandiflora
- serranus subligarius
- sequoia wellingtonia
- sequoia sempervirens
- sequoia national park
- sequential operation
- senecio triangularis
- senecio milkanioides
- semiconductor device
- semiautomatic pistol
- seiurus aurocapillus
- seborrheic keratosis
- scorzonera hispanica
- scleroderma citrinum
- sciurus carolinensis
- scientific knowledge
- schrodinger equation
- schaffneria nigripes
- scarlet wisteria tree
- scaphiopus hammondii
- saurischian dinosaur
- satellite television
- santa catalina island
- sanicula arctopoides
- salpiglossis sinuata
- saint elias mountains
- rubus phoenicolasius
- robinia pseudoacacia
- robert anson heinlein
- richardson's geranium
- richard milhous nixon
- rhomboid minor muscle
- rhinoceros unicornis
- rheumatoid arthritis
- rhamnus carolinianus
- rhamnus californicus
- rh-positive blood type
- reversionary annuity
- retrobulbar neuritis
- restriction fragment
- respiratory quotient
- respiratory disorder
- respiratory acidosis
- republic of singapore
- republic of san marino
- republic of indonesia
- regional anaesthesia
- refrigeration system
- rauwolfia serpentina
- rasmus christian rask
- ranunculus aquatilis
- radiigera fuscogleba
- radially symmetrical
- quinquagesima sunday
- quercus sessiliflora
- qualitative analysis
- purple-fringed orchis
- pulse-time modulation
- psychotic depression
- psychiatric hospital
- pseudolarix amabilis
- progressive vaccinia
- private investigator
- priodontes giganteus
- princeton university
- president washington
- president eisenhower
- prescriptive grammar
- prepositional phrase
- prepositional object
- precocious dentition
- poterium sanguisorba
- potassium dichromate
- potassium bitartrate
- potamophis striatula
- posthypnotic amnesia
- posterior facial vein
- populus nigra italica
- population scientist
- polyprion americanus
- polyarteritis nodosa
- police investigation
- polanisia graveolens
- polanisia dodecandra
- poisson distribution
- poisonous nightshade
- podiceps nigricollis
- plasmodial slime mold
- planck's radiation law
- pisum sativum arvense
- pistacia terebinthus
- pin-tailed sandgrouse
- photographic density
- photo-offset printing
- pholiota astragalina
- philosophical theory
- philosophical system
- phillips screwdriver
- phase of cell division
- phase i clinical trial
- phalaris canariensis
- phalaris arundinacea
- petasites sagitattus
- personality disorder
- perognathus hispidus
- peristedion miniatum
- pentobarbital sodium
- pentecostal religion
- penstemon davidsonii
- pennsylvanian period
- pediculosis corporis
- peacekeeping mission
- paul johannes tillich
- passiflora ligularis
- parkinsonia aculeata
- parametric statistic
- paradisea liliastrum
- pacific standard time
- pacific spiny dogfish
- our lady's mild thistle
- ostensive definition
- oryzopsis hymenoides
- orthophosphoric acid
- oriental bittersweet
- order hypermastigina
- order auriculariales
- order anguilliformes
- orchis papilionaceae
- operating microscope
- one hundred sixty-five
- on an individual basis
- oleandra neriiformis
- ohio state university
- nuphar sagittifolium
- nothofagus menziesii
- north-south direction
- nonlinear distortion
- night-blooming cereus
- nicandra physaloides
- nevoid elephantiasis
- neurotrichus gibbsii
- negative stimulation
- neftali ricardo reyes
- national park service
- nasturtium amphibium
- musicogenic epilepsy
- multiple personality
- mountain everlasting
- morrison remick waite
- morchella semilibera
- moorish architecture
- monoplane flying fish
- monomorium pharaonis
- monochromatic vision
- monoblastic leukemia
- modulus of elasticity
- mitral valve stenosis
- mithridates the great
- mirabilis multiflora
- mirabilis longiflora
- miliary tuberculosis
- middle irish language
- micropterus dolomieu
- michael ellis de bakey
- mercurialis perennis
- menziesia ferruginea
- mentzelia livicaulis
- megaloblastic anemia
- megalithic structure
- medical social worker
- meckel's diverticulum
- mass-action principle
- masculine declension
- marsilea quadrifolia
- marquise de maintenon
- marital relationship
- marcus tullius cicero
- managerial economics
- magnoliid dicot genus
- magnetic flux density
- lythrum hyssopifolia
- lysiloma latisiliqua
- lychins chalcedonica
- lukasiewicz notation
- louis comfort tiffany
- lobotes surinamensis
- little missouri river
- lithophragma affinis
- lipid granulomatosis
- link-attached station
- linguistic universal
- linguistic scientist
- linguistic profiling
- linguistic geography
- linanthus dichotomus
- libocedrus bidwillii
- liatris pycnostachya
- leslie richard groves
- leslie howard stainer
- lepidothamnus fonkii
- leonotis nepetifolia
- legislative assembly
- legionnaires' disease
- leccinum fibrillosum
- lebistes reticulatus
- laurentian highlands
- latent schizophrenia
- lalthyrus tingitanus
- laissez-faire economy
- lactuca sativa crispa
- lachnolaimus maximus
- krzysztof kieslowski
- kayser-fleischer ring
- juniperus virginiana
- juniperus silicicola
- juniperus bermudiana
- jerome david salinger
- jacquinia armillaris
- istiophorus albicans
- israeli monetary unit
- israeli defense force
- isabella the catholic
- irreversible process
- irresistible impulse
- irish republican army
- interparietal suture
- international waters
- international system
- internal respiration
- internal failure cost
- intelligence service
- intelligence analyst
- insulin shock therapy
- inflammatory disease
- infectious hepatitis
- immunologic response
- immunochemical assay
- immune serum globulin
- ilich ramirez sanchez
- ignacy jan paderewski
- idiomatic expression
- ian lancaster fleming
- hypochaeris radicata
- hydrangea petiolaris
- hyacinthus candicans
- humming bird's trumpet
- homo heidelbergensis
- histiocytic leukemia
- hippeastrum puniceum
- hemigalus hardwickii
- helipterum manglesii
- helianthus giganteus
- helen newington wills
- hamamelis virginiana
- hamamelid dicot genus
- haliaeetus pelagicus
- gyromitra fastigiata
- gymnopilus validipes
- great victoria desert
- gravimetric analysis
- grammatical cohesion
- government officials
- giant scrambling fern
- genus ustilaginoidea
- genus tropidoclonion
- genus ruptiliocarpon
- genus reticulitermes
- genus pithecellobium
- genus mulloidichthys
- genus ischigualastia
- genus gymnadeniopsis
- genus diplopterygium
- genus cercidiphyllum
- genus bougainvillaea
- genus appendicularia
- genus algeripithecus
- gentianopsis detonsa
- gentianopsis crinita
- gentianopsid procera
- genitourinary system
- genetic constitution
- generalized epilepsy
- gelechia gossypiella
- gaultheria hispidula
- gastrocybe lateritia
- gardenia jasminoides
- fund-raising campaign
- fumaria sempervirens
- fugitive from justice
- fuel injection system
- fritillaria agrestis
- friedrich august wolf
- frederick i of prussia
- fraxinus caroliniana
- francois-marie arouet
- fouquieria splendens
- florida strangler fig
- flindersia australis
- flammulina velutipes
- five-point bishop's cap
- first-come-first-serve
- first lateran council
- first epistle of peter
- first baron passfield
- first baron beveridge
- fictitious character
- ferdinand julius cohn
- family uranoscopidae
- family theraphosidae
- family struthionidae
- family staphylinidae
- family sparganiaceae
- family simaroubaceae
- family schizophyceae
- family saxifragaceae
- family salamandridae
- family sagittariidae
- family rafflesiaceae
- family platanistidae
- family paradisaeidae
- family microdesmidae
- family mastodontidae
- family lasiocampidae
- family kinosternidae
- family hippoboscidae
- family hadrosauridae
- family fistulinaceae
- family fistulariidae
- family fissurellidae
- family drosophilidae
- family dioscoreaceae
- family dicksoniaceae
- family diapensiaceae
- family desmodontidae
- family chrysomelidae
- family casuarinaceae
- family caenolestidae
- family blastodiaceae
- family balsaminaceae
- faisal of saudi arabia
- existential operator
- eumeces skiltonianus
- eucalyptus viminalis
- erythrina lysistemon
- ernst ludwig kirchner
- erigeron aurantiacus
- equisetum variegatum
- equisetum sylvaticum
- equisetum fluviatile
- equilibrium constant
- episcia dianthiflora
- epilachna varivestis
- epidural anaesthesia
- engine cooling system
- enabling legislation
- emberiza schoeniclus
- elephantiasis scroti
- eleocharis palustris
- electronics industry
- electronic messaging
- electron microscopic
- electromotive series
- electrical discharge
- elaphurus davidianus
- elanoides forficatus
- elagatis bipinnulata
- eichhornia crassipes
- edward wyllis scripps
- economics profession
- economic consumption
- ecological terrorism
- dysthymic depression
- dysostosis multiplex
- dusicyon cancrivorus
- double decomposition
- docosahexaenoic acid
- division gymnomycota
- division chrysophyta
- division chlorophyta
- disrupting explosive
- disk operating system
- disability of walking
- dipsosaurus dorsalis
- dipodomys phillipsii
- diplotaxis erucoides
- diospyros virginiana
- dilleniid dicot genus
- didelphis virginiana
- dictyopterous insect
- diclofenac potassium
- dicksonia antarctica
- dicentra spectabilis
- diagnostic technique
- devil's darning needle
- desert mariposa tulip
- descriptive geometry
- demetrius i of macedon
- dedicated file server
- daylight-savings time
- dawson's encephalitis
- david oliver selznick
- davallia canariensis
- dark-field microscope
- dactylorhiza fuchsii
- dacridium laxifolius
- cystopteris fragilis
- cystic breast disease
- cynomys ludovicianus
- cyclothymic disorder
- cupressus lusitanica
- cucumis melo inodorus
- crocodylus niloticus
- cristobal balenciaga
- criminal prosecution
- crataegus marshallii
- crataegus aestivalis
- cortinarius gentilis
- cornelia otis skinner
- core shooting machine
- cordyline terminalis
- copernicia australis
- convertible security
- controlling interest
- conspiracy of silence
- conservative judaism
- conjunctivitis arida
- conditioned response
- conditional response
- concessive adverbial
- computer-aided design
- communicable disease
- commodities exchange
- color television tube
- colloidal suspension
- collinsia parviflora
- cognitive psychology
- cnemidophorus tigris
- close supporting fire
- climbing bittersweet
- classical hemophilia
- civil rights movement
- civic responsibility
- citrophilus mealybug
- citellus richardsoni
- cirsium heterophylum
- cirrhosis of the liver
- cinchona officinalis
- chromic-sulfuric acid
- christine marie evert
- chlamydosaurus kingi
- chinese white cabbage
- chinese angelica tree
- chimaphila corymbosa
- child welfare service
- cheiranthus allionii
- characteristic curve
- centropistes striata
- central veins of liver
- centaurea imperialis
- cellular respiration
- celestial navigation
- cation-exchange resin
- catastrophic illness
- cassiope mertensiana
- cartesian coordinate
- carlovingian dynasty
- carduelis hornemanni
- canticle of canticles
- cambridge university
- camassia leichtlinii
- calochortus amabilis
- callitris parlatorei
- calling into question
- california whipsnake
- california sagebrush
- calamintha sylvatica
- caladenia cairnsiana
- caesalpinia sepiaria
- caesalpinia coriaria
- cabassous unicinctus
- building supply store
- bubble gum dermatitis
- bryanthus taxifolius
- brunfelsia americana
- brugmansia sanguinea
- broadcasting station
- british house of lords
- british commonwealth
- bristly sarsaparilla
- bosonic string theory
- boletellus russellii
- bismarck archipelago
- biserial correlation
- biscutalla laevigata
- biological terrorism
- binocular microscope
- binge-eating syndrome
- big shellbark hickory
- bartramian sandpiper
- baptist denomination
- banksia integrifolia
- baking-powder biscuit
- bairdiella chrysoura
- ayapana triplinervis
- automobile insurance
- australian sword lily
- atriplex lentiformis
- aspiration pneumonia
- artificial satellite
- arteria testicularis
- arteria iliolumbalis
- artemision at ephesus
- artemisia campestris
- artemisia absinthium
- artaxerxes i of persia
- armillaria ponderosa
- aristotelia racemosa
- arctictis bintourong
- archimedes' principle
- archilochus colubris
- araucaria columnaris
- anti-submarine rocket
- anti-aircraft cruiser
- anthyllis vulneraria
- anthyllis barba-jovis
- anterior labial veins
- anemone occidentalis
- anatomical sphincter
- anaclitic depression
- amsinckia intermedia
- amphibious operation
- american red squirrel
- american mountain ash
- american bittersweet
- alsobia dianthiflora
- alphanumeric display
- alocasia macrorrhiza
- alliaria officinalis
- alfred alistair cooke
- alexis de tocqueville
- alexander ii of russia
- albizzia julibrissin
- al-itihaad al-islamiya
- air-to-surface missile
- agriocharis ocellata
- afroasiatic language
- advertising campaign
- acute pyelonephritis
- acridotheres tristis
- acid-base equilibrium
- acanthosis nigricans
- acanthisitta chloris
- absorption indicator
