Countable Nouns That Start with DU and End with ON

Explore 10 verified English countable nouns starting with DU and ending with ON, including Duration, Dungeon, Duplication, Dudgeon, Duathlon, Duodecillion and Dubitation. 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 DUA
1 words
duathlon
Starts with DUB
1 words
dubitation
Starts with DUC
1 words
ducatoon
Starts with DUD
1 words
dudgeon
Starts with DUL
1 words
dulcification
Starts with DUN
1 words
dungeon
Starts with DUO
1 words
duodecillion
Starts with DUP
2 words
duplication
dupion
Starts with DUR
1 words
duration

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