Countable Nouns Ending in M and Containing US

Browse 33 valid English countable nouns ending in M and containing US, from Museum, Custom, Enthusiasm, Mushroom, Mausoleum, Frustum and Duststorm to rarer terms. Check definitions and spelling below, or visit our noun grammar guide to review singular and plural count rules.

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Starts with C
8 words
custom
cusum
claustrum
causatum
clausum
causticism
counterenthusiasm
crepusculum
Starts with D
1 words
duststorm
Starts with E
4 words
enthusiasm
ecomuseum
eusporangium
eustachium
Starts with F
3 words
frustum
fusarium
filibusterism
Starts with H
2 words
haustorium
haustellum
Starts with I
2 words
indusium
infusorium
Starts with L
2 words
lustrum
ligustrum
Starts with M
5 words
museum
mushroom
mausoleum
molluscum
muscatorium
Starts with O
1 words
opusculum
Starts with R
3 words
russianism
rusticism
russism
Starts with S
2 words
sustentaculum
suspensorium

•Browse Countable Nouns by Letter (A to Z)

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ABCDEFGHIJKLMNOPQRSTUVWXYZ
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