Countable Nouns Ending in UM and Containing AR

This list gathers 124 English countable nouns ending in UM and containing AR, such as Aquarium, Planetarium, Eardrum, Terrarium, Honorarium, Solarium and Sanitarium. Use the sorting controls below to organize entries by length, or consult our noun grammar guide to review singular and plural count rules.

Refine list...
JUMP:
Sort:
Group:
Case:
View:
JUMP TO:
Select any word to view available definitions & photosSelect any word for details
Starts with A
18 words
aquarium
arboretum
arum
arcanum
armamentarium
argumentum
archegonium
archaebacterium
anacardium
asarum
aerarium
arbitrium
argyranthemum
arctium
archesporium
avicularium
acarodomatium
acaridomatium
Starts with B
3 words
barathrum
bullarium
bungarum
Starts with C
19 words
columbarium
calvarium
charmonium
caldarium
cinerarium
conarium
carbonium
collectarium
chylopericardium
cronartium
chordospartium
coelarium
chilarium
characetum
cysticarpium
carpogonium
collunarium
chartophylacium
clavicularium
Starts with D
2 words
dolphinarium
disciplinarium
Starts with E
10 words
eardrum
endocardium
epicardium
evangelistarium
evangelarium
emissarium
endarterium
evangeliarium
epimyocardium
encarpium
Starts with F
6 words
falciparum
fusarium
frigidarium
formicarium
farfugium
flabellarium
Starts with H
7 words
honorarium
harmonium
herbarium
hedysarum
hydropericardium
hematopericardium
hydropneumopericardium
Starts with I
1 words
insectarium
Starts with L
2 words
leprosarium
labarum
Starts with M
5 words
myocardium
marsupium
marrubium
mortarium
martyrium
Starts with N
1 words
nidularium
Starts with O
4 words
oceanarium
orarium
ossarium
ophidiarium
Starts with P
15 words
planetarium
pericardium
paramecium
pelargonium
parapodium
pneumopericardium
puparium
panaritium
parascenium
polyparium
polyzoarium
paramenstruum
pneumohydropericardium
parthenogonidium
pyopneumopericardium
Starts with R
2 words
rosarium
ranarium
Starts with S
19 words
solarium
sanitarium
sugarplum
sargassum
seaquarium
sudarium
saccharum
sacrarium
syllabarium
separatum
spermarium
sparganum
sparganium
septarium
sarmentum
spartium
sarcoseptum
sarothrum
sarcodictyum
Starts with T
4 words
terrarium
taraxacum
tepidarium
termitarium
Starts with U
1 words
unguentarium
Starts with V
4 words
vivarium
velarium
variorum
vibracularium
Starts with Z
1 words
zoarium

•Browse Countable Nouns by Letter (A to Z)

Select an ending letter to browse countable nouns
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Word Games & Solvers
Word FinderScrabble Word FinderWords With Friends CheatWordle SolverAnagram Solver
Dictionary & Reference
DictionarySynonymsAntonymsWordsVocabulary HubPositive WordsNegative Words
Community
Contact UsEditorial PolicyPrivacy PolicyTerms and Conditions
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.