Countable Nouns That Start with AC and End with UM

Explore 7 verified English countable nouns starting with AC and ending with UM, including Acetabulum, Aconitum, Acetum, Aciculum, Acroterium, Acarodomatium and Acaridomatium. 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 ACA
2 words
acarodomatium
acaridomatium
Starts with ACE
2 words
acetabulum
acetum
Starts with ACI
1 words
aciculum
Starts with ACO
1 words
aconitum
Starts with ACR
1 words
acroterium

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