Countable Nouns That Start with AD and End with UM

Explore 8 verified English countable nouns starting with AD and ending with UM, including Addendum, Adsum, Adytum, Adenium, Adiantum, Adminiculum and Adstratum. 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 ADD
2 words
addendum
additum
Starts with ADE
1 words
adenium
Starts with ADI
1 words
adiantum
Starts with ADM
1 words
adminiculum
Starts with ADS
2 words
adsum
adstratum
Starts with ADY
1 words
adytum

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