Countable Nouns That End in DUM

Explore 33 verified English countable nouns ending with the suffix -DUM, including Referendum, Memorandum, Addendum, Dumdum, Corundum, Sedum and Papadum. Useful for ESL grammar practice, determiner usage, and plural spelling and rhyming patterns, browse these count nouns with singular and plural forms below or review singular and plural count rules in our noun grammar guide.

Refine list...
JUMP:
Sort:

Group:

Case:

View:

JUMP TO:
Select any word to view available definitions & photosSelect any word for details
Starts with A
2 words
addendum
agendum
Starts with B
1 words
bifidum
corundum
corrigendum
credendum
craspedum
dumdum
demonstrandum
definiendum
dedendum
dirdum
delendum
explanandum
explicandum
emendandum
Starts with F
2 words
feodum
faciendum
Starts with H
1 words
habendum
Starts with L
1 words
ledum
Starts with M
2 words
memorandum
mutandum
Starts with N
1 words
notandum
Starts with O
1 words
oppidum
papadum
poppadum
pudendum
referendum
rumdum
reddendum
Starts with S
1 words
sedum
Starts with T
1 words
tenendum
Starts with V
1 words
videndum

•Browse Countable Nouns by Letter (A to Z)

Select an ending letter to browse countable nouns
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.
© 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.