Countable Nouns Ending in ASS and Containing M

This list gathers 23 English countable nouns ending in ASS and containing M, such as Mass, Biomass, Dumbass, Masterclass, Landmass, Smartass and Morass. 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
2 words
airmass
astrocompass
Starts with B
3 words
biomass
bromegrass
bumbass
Starts with D
1 words
dumbass
Starts with E
1 words
eggmass
Starts with F
1 words
fillmass
Starts with G
2 words
gyrocompass
groundmass
Starts with L
3 words
landmass
lemongrass
lymegrass
Starts with M
6 words
mass
masterclass
morass
meadowgrass
matrass
matgrass
Starts with P
1 words
plumegrass
Starts with S
2 words
smartass
soulmass
Starts with T
1 words
timepass

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