Countable Nouns Ending in TUM and Containing A

Browse 58 valid English countable nouns ending in TUM and containing A, from Quantum, Ultimatum, Stratum, Datum, Sanctum, Striatum and Arboretum 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
12 words
arboretum
aconitum
ageratum
argumentum
amentum
adytum
acetum
adiantum
adstratum
additum
affectum
allegatum
Starts with C
5 words
causatum
caudatum
crassamentum
characetum
calceamentum
Starts with D
5 words
datum
desideratum
designatum
denotatum
diatretum
Starts with E
1 words
erratum
Starts with F
2 words
factotum
factum
Starts with I
1 words
ideatum
Starts with N
1 words
nidamentum
Starts with P
7 words
paludamentum
pomatum
pactum
postulatum
peacotum
polygonatum
placitum
Starts with Q
2 words
quantum
quaesitum
Starts with R
2 words
relatum
ramentum
Starts with S
14 words
stratum
sanctum
striatum
substratum
superstratum
sacramentum
significatum
separatum
sabbatum
sauromatum
sarmentum
sarcoseptum
surrogatum
salicetum
Starts with T
3 words
tapetum
tanacetum
testatum
Starts with U
2 words
ultimatum
understratum
Starts with V
1 words
velamentum

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