Countable Nouns Ending in IUM and Containing N
Explore 281 verified English countable nouns ending in IUM and containing N, including Millennium, Consortium, Condominium, Gymnasium, Geranium, Pandemonium and Compendium. Browse these count nouns with singular and plural forms below, or review singular and plural count rules in our noun grammar guide.
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Starts with A
22 words anthurium
armamentarium
androecium
antheridium
archegonium
aeonium
antependium
adenium
anacardium
asplenium
anthodium
anhalonium
androconium
anticlinorium
androsporangium
androgonium
anoplotherium
ascogonium
androgametangium
androgonidium
anaerobium
androclinium
Starts with B
6 words biennium
bucranium
bimillennium
bronchium
brontotherium
benzenediazonium
Starts with C
24 words consortium
condominium
compendium
cranium
cyanobacterium
conservatorium
conium
charmonium
conidium
corynebacterium
cinerarium
cenobium
centaurium
chenopodium
coenobium
conarium
ctenidium
cynomorium
chondrocranium
carbonium
chelidonium
contagium
centennium
cronartium
Starts with D
13 words delphinium
dolphinarium
decennium
dendrobium
dentalium
diazonium
deinotherium
dockominium
didinium
dinotherium
diachaenium
disciplinarium
drepanium
Starts with E
24 words endometrium
euphonium
endothelium
encomium
endocardium
epineurium
evangelium
endomysium
eryngium
endoneurium
enterobacterium
eponychium
erythronium
endothecium
endodontium
epicranium
endocranium
endangium
endoperidium
entomosporium
evangelistarium
evangelarium
epitonium
endoconidium
Starts with G
10 words gymnasium
geranium
gynoecium
gymnatorium
gymnocalycium
gonium
gametangium
gnaphalium
gonidium
gynostemium
Starts with H
11 words honorarium
harmonium
hypochondrium
hydronium
hymenium
hypanthium
helenium
helminthosporium
hydroxonium
hormogonium
hydropneumopericardium
Starts with I
8 words indicium
insectarium
intermedium
indusium
infusorium
interministerium
inclinatorium
inhalatorium
Starts with L
5 words latifundium
leontopodium
limonium
lectisternium
latrocinium
Starts with M
12 words millennium
manubrium
muonium
ministerium
microsporangium
megasporangium
monopodium
macrosporangium
minifundium
monochasium
megaclinium
macrozoogonidium
Starts with N
13 words nasturtium
natatorium
neuroepithelium
nerium
nanobacterium
nephridium
nitronium
nitrobacterium
nelumbium
nidularium
nitrenium
nitrosobacterium
nototherium
Starts with O
10 words omnium
oceanarium
onium
oogonium
oncidium
ostensorium
oxonium
onychium
orontium
opsonium
Starts with P
24 words pandemonium
planetarium
proscenium
penicillium
positronium
pelargonium
propionibacterium
principium
perichondrium
phosphonium
pericranium
pancratium
perineurium
perionychium
pneumopericardium
polemonium
pollinium
peridinium
postliminium
panaritium
perigonium
parascenium
peponium
purdonium
Starts with Q
3 words quadrennium
quinquennium
quadriennium
Starts with R
3 words radiostrontium
rhynchosporium
ranarium
Starts with S
24 words sanatorium
sanitarium
sporangium
syncytium
sensorium
syngonium
stramonium
spermatogonium
splenium
scolopendrium
septennium
sexennium
sulfonium
syconium
synclinorium
spermogonium
sporogonium
sisyrinchium
sparganium
synedrium
staminodium
siphonium
solenium
suspensorium
Starts with T
9 words tentorium
triennium
transuranium
triclinium
tetramethylammonium
tirocinium
tridominium
tetrasporangium
trichosporangium
Starts with U
3 words unguentarium
uintatherium
uredinium
Starts with V
2 words vaccinium
venidium
Starts with X
4 words xanthium
xenium
xenodochium
xanthidium
Starts with Z
4 words zoosporangium
zygosporangium
zoogonidium
zoodendrium