Countable Nouns Ending in UM and Containing AT

Browse 84 valid English countable nouns ending in UM and containing AT, from Atrium, Ultimatum, Stratum, Moratorium, Datum, Crematorium and Sanatorium 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 A
7 words
atrium
athenaeum
ageratum
adstratum
allegatum
acarodomatium
acaridomatium
Starts with B
2 words
barathrum
bromatium
Starts with C
14 words
crematorium
conservatorium
causatum
ceratium
caudatum
chiropatagium
cymatium
cyathium
ceratotherium
cheiropatagium
ceratopetalum
ceratophyllum
calymmatobacterium
colatorium
Starts with D
6 words
datum
desideratum
designatum
domatium
denotatum
diatretum
Starts with E
3 words
erratum
eupatorium
epibaterium
Starts with F
2 words
fumatorium
falcatifolium
Starts with G
2 words
gymnatorium
gatherum
Starts with H
1 words
hematopericardium
Starts with I
3 words
ideatum
inclinatorium
inhalatorium
Starts with L
2 words
latifundium
latrocinium
Starts with M
4 words
moratorium
megatherium
muscatorium
mycodomatium
Starts with N
1 words
natatorium
Starts with O
2 words
ommatidium
ommateum
Starts with P
5 words
pomatum
patagium
postulatum
pancratium
polygonatum
Starts with R
2 words
relatum
respiratorium
Starts with S
21 words
stratum
sanatorium
striatum
substratum
solatium
superstratum
spermatogonium
spathiphyllum
significatum
spatium
separatum
sudatorium
sabbatum
sauromatum
spermatium
spermatovum
sivatherium
spatlum
surrogatum
salutatorium
spermatangium
Starts with T
1 words
testatum
Starts with U
3 words
ultimatum
understratum
uintatherium
Starts with V
2 words
viaticum
veratrum
Starts with Z
1 words
zygomaticum

•Browse Countable Nouns by Letter (A to Z)

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