Countable Nouns Ending in IUM and Containing S

Browse 201 valid English countable nouns ending in IUM and containing S, from Stadium, Consortium, Symposium, Gymnasium, Sanatorium, Solarium and Sanitarium 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
9 words
aspidium
appressorium
asplenium
aspersorium
ascidium
androsporangium
archesporium
ascogonium
amphigastrium
Starts with B
1 words
basidium
Starts with C
14 words
consortium
clostridium
cryptosporidium
conservatorium
cladosporium
cephalosporium
closterium
cerastium
cystidium
cleistothecium
chordospartium
coleosporium
cysticarpium
cylindrosporium
Starts with D
8 words
disequilibrium
desiderium
desmodium
dichasium
desmepithelium
diclesium
disciplinarium
desmidium
Starts with E
15 words
elysium
endomysium
epigastrium
epimysium
exosporium
entomosporium
evangelistarium
episporangium
emissarium
eusporangium
exobasidium
endosporium
episcenium
episporium
eustachium
Starts with F
3 words
fusarium
fastigium
fastidium
Starts with G
3 words
gymnasium
gelsemium
gynostemium
Starts with H
5 words
hospitium
haustorium
hypogastrium
helminthosporium
hesperidium
Starts with I
5 words
ischium
insectarium
indusium
infusorium
interministerium
Starts with L
3 words
leprosarium
lectisternium
laserpicium
Starts with M
11 words
magisterium
marsupium
mesothelium
ministerium
microsporangium
megasporangium
mesogastrium
macrosporangium
monochasium
myosotidium
muscatorium
Starts with N
2 words
nasturtium
nitrosobacterium
Starts with O
6 words
ostium
osmiridium
ostensorium
ossarium
osmeterium
opsonium
Starts with P
21 words
proscenium
presidium
psyllium
plasmodium
positronium
pseudopodium
phosphonium
perimysium
prostomium
psalterium
pastorium
postliminium
parascenium
postscenium
progymnasium
periselenium
polychasium
pseudosporangium
pleiochasium
pseudoplasmodium
peridesmium
Starts with R
6 words
radiostrontium
rosarium
resilium
rhynchosporium
respiratorium
restibrachium
Starts with S
24 words
stadium
symposium
sanatorium
solarium
sanitarium
sporangium
superpremium
scriptorium
syncytium
sensorium
silphium
solatium
syngonium
stramonium
seaquarium
stellium
scholium
spermatogonium
splenium
sudarium
syzygium
sacrarium
sclerotium
sedilium
Starts with T
3 words
transuranium
tetrasporangium
trichosporangium
Starts with V
2 words
vestigium
vivisectorium
Starts with Z
3 words
zoosporangium
zygosporangium
zoospermium

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