Countable Nouns That Start with DU and End with ION

Explore 6 verified English countable nouns starting with DU and ending with ION, including Duration, Duplication, Duodecillion, Dubitation, Dupion and Dulcification. 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 DUB
1 words
dubitation
Starts with DUL
1 words
dulcification
Starts with DUO
1 words
duodecillion
Starts with DUP
2 words
duplication
dupion
Starts with DUR
1 words
duration

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