Countable Nouns Ending in M and Containing FF

This list gathers 9 English countable nouns ending in M and containing FF, such as Staffroom, Effluvium, Cofferdam, Diffeomorphism, Coffeeroom, Sheriffdom and Diffractogram. 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
affectum
Starts with C
2 words
cofferdam
coffeeroom
Starts with D
3 words
diffeomorphism
diffractogram
dufferism
Starts with E
1 words
effluvium
Starts with S
2 words
staffroom
sheriffdom

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