Countable Nouns Ending in SUM and Containing A

This list gathers 10 English countable nouns ending in SUM and containing A, such as Sargassum, Alyssum, Adsum, Omasum, Callosum, Abomasum and Falsum. Use the sorting controls below to organize entries by length, or consult our noun grammar guide to review singular and plural count rules.

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Starts with A
3 words
alyssum
adsum
abomasum
Starts with C
2 words
callosum
clausum
Starts with E
1 words
expansum
Starts with F
1 words
falsum
Starts with G
1 words
grassum
Starts with O
1 words
omasum
Starts with S
1 words
sargassum

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