Countable Nouns Ending in UM and Containing IS

This list gathers 31 English countable nouns ending in UM and containing IS, such as Coliseum, Disequilibrium, Antiserum, Magisterium, Ischium, Sistrum and Equisetum. 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
antiserum
Starts with C
3 words
coliseum
crissum
cleistothecium
Starts with D
2 words
disequilibrium
disciplinarium
Starts with E
8 words
equisetum
episternum
ensisternum
evangelistarium
episporangium
emissarium
episcenium
episporium
Starts with F
1 words
fideicommissum
Starts with I
2 words
ischium
interministerium
Starts with L
1 words
lectisternium
Starts with M
3 words
magisterium
ministerium
menispermum
Starts with O
1 words
organistrum
Starts with P
2 words
pennisetum
periselenium
Starts with S
4 words
sistrum
sisymbrium
sisyrinchium
scissorium
Starts with V
2 words
viscum
vivisectorium
Starts with X
1 words
xiphisternum

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