Countable Nouns That Start with A and End with TUM

Explore 12 verified English countable nouns starting with A and ending with TUM, including Arboretum, Aconitum, Ageratum, Argumentum, Amentum, Adytum and Acetum. Sort these count nouns with singular and plural forms by word length for ESL grammar practice, determiner usage, and plural spelling below, or review singular and plural count rules in our noun grammar guide.

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Starts with AC
2 words
aconitum
acetum
Starts with AD4 words
adytum
adiantum
adstratum
additum
Starts with AF
1 words
affectum
Starts with AG
1 words
ageratum
Starts with AL
1 words
allegatum
Starts with AM
1 words
amentum
Starts with AR
2 words
arboretum
argumentum

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