20 Letter Countable Nouns Starting with A

Explore 14 verified English 20 letter countable nouns that start with A, including Anthropomorphization, Acetylcholinesterase, Antienvironmentalist, Anarchoindividualist, Antiinstitutionalist, Adrenocorticosteroid and Antianthropomorphism. Browse these count nouns with singular and plural forms below, or review singular and plural count rules in our noun grammar guide.

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Starts with AB
1 words
abdominohysterectomy
Starts with AC
1 words
acetylcholinesterase
Starts with AD
1 words
adrenocorticosteroid
Starts with AN8 words
anthropomorphization
antienvironmentalist
anarchoindividualist
antiinstitutionalist
antianthropomorphism
anticonfederationist
antitintinnabularian
anthropomorphotheist
Starts with AR
1 words
arteriosympathectomy
Starts with AU
2 words
austrocylindropuntia
autodepolymerization

•Browse Countable Nouns by Letter (A to Z)

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