Countable Nouns Starting with COS and Containing ER

Explore 12 verified English countable nouns starting with COS and containing ER, including Cosplayer, Cosigner, Costumer, Costermonger, Coster, Costumery and Costumier. 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 COSH3 words
cosher
coshery
cosherer
Starts with COSI
1 words
cosigner
Starts with COSM
2 words
cosmographer
cosmosphere
Starts with COSP
1 words
cosplayer
Starts with COST5 words
costumer
costermonger
coster
costumery
costumier

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