Countable Nouns That Start with DO and End with UM

Explore 7 verified English countable nouns starting with DO and ending with UM, including Dolphinarium, Dorsum, Domatium, Doum, Dockominium, Dolium and Doronicum. 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 DOC
1 words
dockominium
Starts with DOL
2 words
dolphinarium
dolium
Starts with DOM
1 words
domatium
Starts with DOR
2 words
dorsum
doronicum
Starts with DOU
1 words
doum

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