Countable Nouns Ending in IUM and Containing ET

This list gathers 15 English countable nouns ending in IUM and containing ET, such as Planetarium, Endometrium, Myometrium, Praetorium, Cafetorium, Tetrazolium and Tetramethylammonium. 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
aethalium
androgametangium
Starts with C
3 words
cafetorium
colleterium
chaetangium
Starts with E
1 words
endometrium
Starts with G
1 words
gametangium
Starts with M
1 words
myometrium
Starts with O
1 words
osmeterium
Starts with P
3 words
planetarium
praetorium
perichaetium
Starts with T
3 words
tetrazolium
tetramethylammonium
tetrasporangium

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