Nouns Ending in IUM and Containing ER

This list gathers 137 English nouns ending in IUM and containing ER, such as Bacterium, Geranium, Beryllium, Terrarium, Imperium, Deuterium and Germanium. Use the sorting controls below to organize entries by length, or consult our noun grammar guide to review pluralization and capitalization rules.

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Starts with A
11 words
americium
antheridium
apodyterium
archaebacterium
aerarium
aspersorium
acroterium
apterium
anoplotherium
aerobium
anaerobium
Starts with B
4 words
bacterium
beryllium
berkelium
brontotherium
Starts with C
24 words
cerium
criterium
cyanobacterium
conservatorium
corynebacterium
cinerarium
ceratium
closterium
copernicium
ceratotherium
clavicytherium
cerastium
cercidium
chylopericardium
cerithium
cheirotherium
chiropterygium
ceramium
chalicotherium
calymmatobacterium
chirotherium
ceramidium
colleterium
cheiropterygium
Starts with D
4 words
deuterium
deinotherium
desiderium
dinotherium
Starts with E
14 words
erbium
eryngium
enterobacterium
eubacterium
elotherium
erythronium
erodium
elaterium
endoperidium
exoperidium
endarterium
erythrogonium
enterolobium
epibaterium
Starts with F
7 words
fermium
ferrocerium
flerovium
ferrovanadium
ferrochromium
ferrotitanium
ferrozirconium
Starts with G
2 words
geranium
germanium
Starts with H
7 words
herbarium
hydropericardium
hyracotherium
hesperidium
hieracium
hematopericardium
hydropneumopericardium
Starts with I
4 words
imperium
intermedium
interministerium
ichthyopterygium
Starts with L
3 words
livermorium
lectisternium
laserpicium
Starts with M
5 words
magisterium
mycobacterium
megatherium
ministerium
meitnerium
Starts with N
5 words
nerium
nanobacterium
nitrobacterium
nitrosobacterium
nototherium
Starts with O
1 words
osmeterium
Starts with P
23 words
pericardium
propionibacterium
pterygium
puerperium
perichondrium
pericranium
perimysium
pomerium
psalterium
peridium
perineurium
perionychium
perithecium
pneumopericardium
peridinium
perigonium
poterium
perinephrium
periselenium
perichaetium
pneumohydropericardium
peridesmium
pyopneumopericardium
Starts with R
1 words
rutherfordium
Starts with S
14 words
superpremium
spermatogonium
sclerotium
sestertium
sacerdotium
spermarium
spermogonium
spermatium
sivatherium
samotherium
sphaeridium
spermatangium
scelidotherium
sericterium
Starts with T
4 words
terrarium
terbium
tertium
termitarium
Starts with U
1 words
uintatherium
Starts with V
1 words
verticillium
Starts with Y
1 words
ytterbium
Starts with Z
1 words
zoospermium

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