Countable Nouns with DUO

Browse 32 verified English countable nouns containing the letters DUO, including Duo, Duodenum, Duology, Duopoly, Duomo, Duotone and Duodecimal. Filter these count nouns with singular and plural forms by word length below, or review singular and plural count rules in our noun grammar guide.

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Starts with C
2 words
choledochoduodenostomy
cholecystoduodenostomy
Starts with D
22 words
duo
duodenum
duology
duopoly
duomo
duotone
duodecimal
duodecimo
duodecillion
duologue
duodecimals
duodenectomy
duodenopancreatectomy
duopolist
duopsony
duodenojejunostomy
duodenary
duodecennial
duodenocholecystostomy
duodenoenterostomy
duodenocholedochotomy
duodenocystostomy
Starts with G
4 words
gastroduodenoscopy
gastroduodenostomy
gastroduodenitis
gastroduodenotomy
Starts with H
2 words
hepaticoduodenostomy
hepatoduodenostomy
Starts with P
2 words
pancreatoduodenectomy
pancreaticoduodenostomy

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