15 Letter Words Starting with A

Browse 227 verified English 15 letter words that start with A, including Appropriateness, Anthropological, Anthropomorphic, Anticompetitive, Approachability, Atherosclerosis and Anthropocentric. Validated against official game lexicons for Scrabble, Wordle, crosswords, and daily writing, explore definitions and letter counts below.

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absorptiometric
abiogenetically
acclimatization
acquisitiveness
accommodatingly
accountableness
acetylsalicylic
accommodational
accompanimental
acrimoniousness
acknowledgeable
achondroplastic
acknowledgeably
acetamidophenol
achromatization
acculturational
acanthocephalan
acetophenetidin
acroparesthesia
acetylacetonate
actinochemistry
acanthocephalid
acidimetrically
adventurousness
adrenomedullary
adenohypophysis
administratress
adrenalectomize
adventuresomely
adiaphanousness
adsignification
adenocellulitis
addleheadedness
adenomyofibroma
adenolymphocele
adenopharyngeal
adenomyosarcoma
aerodynamically
aerophotography
aegyptopithecus
aegithognathous
aerophilatelist
aerocartography
aegithognathism
aecioteliospore
aerodermectasia
aerenterectasia
affirmativeness
afibrinogenemia
affranchisement
afforestational
agriculturalist
agribusinessman
agranulocytosis
agglutinability
algorithmically
alphabetization
aluminosilicate
allegoricalness
allotetraploidy
allotriomorphic
alternativeness
allagostemonous
allelocatalytic
amphitheatrical
amaryllidaceous
anthropological
anthropomorphic
anticompetitive
anthropocentric
anticolonialism
anticlericalism
anticholinergic
antepenultimate
anteroposterior
antiabortionist
antisegregation
antitraditional
anesthetization
antipornography
anticholesterol
antivivisection
anticolonialist
anthropometrics
androstenedione
antimonarchical
antidevelopment
antitrinitarian
annihilationism
anticlericalist
appropriateness
approachability
apocalyptically
appendicularian
appropinquation
apophthegmatist
apophthegmatize
architecturally
argumentatively
archeologically
archaeobotanist
archiepiscopate
arboriculturist
archeoastronomy
archiepiscopacy
archaebacterium
archaeomagnetic
archeomagnetism
arterialization
ariboflavinosis
archaebacterial
archeozoologist
assimilationist
assimilationism
astrobiological
astronautically
astronavigation
astrophotograph
astrophysically
astrodynamicist
asclepiadaceous
atherosclerosis
atherosclerotic
atmospherically
attributiveness
atrabiliousness
authoritatively
autocorrelation
audioconference
autoradiography
autodidacticism
autotransfusion
autotransformer
autodestructive
autoinoculation
autostereoscopy
audiometrically
autographically
autotetraploidy
automorphically
autotrophically
auriculotherapy
autochthonously
autoschediastic

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Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.