Countable Nouns Starting with AD and Containing UM

Explore 10 verified English countable nouns starting with AD and containing UM, including Addendum, Adumbration, Adsum, Adytum, Adenium, Adiantum and Adminiculum. 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 ADD
2 words
addendum
additum
Starts with ADE
1 words
adenium
Starts with ADI
1 words
adiantum
Starts with ADL
1 words
adlumia
Starts with ADM
1 words
adminiculum
Starts with ADS
2 words
adsum
adstratum
Starts with ADU
1 words
adumbration
Starts with ADY
1 words
adytum

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