Countable Nouns Ending in EN and Containing OP

This list gathers 7 English countable nouns ending in EN and containing OP, such as Open, Fenoprofen, Autopen, Copen, Phytopathogen, Tropocollagen and Schoppen. Use the sorting controls below to organize entries by length, or consult our noun grammar guide to review singular and plural count rules.

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Starts with A
1 words
autopen
Starts with C
1 words
copen
Starts with F
1 words
fenoprofen
Starts with O
1 words
open
Starts with P
1 words
phytopathogen
Starts with S
1 words
schoppen
Starts with T
1 words
tropocollagen

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