Countable Nouns Ending in EN and Containing RO

Browse 32 valid English countable nouns ending in EN and containing RO, from Hydrogen, Nitrogen, Estrogen, Ibuprofen, Androgen, Phytoestrogen and Microgreen to rarer terms. Check definitions and spelling below, or visit 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
5 words
androgen
antiandrogen
antiestrogen
acrogen
aerogen
Starts with B
1 words
brotchen
Starts with C
2 words
chromogen
calyptrogen
Starts with E
3 words
estrogen
electrogen
erythrogen
Starts with F
1 words
fenoprofen
Starts with G
2 words
groschen
goitrogen
Starts with H
1 words
hydrogen
Starts with I
1 words
ibuprofen
Starts with M
3 words
microgreen
milliroentgen
monohydrogen
Starts with N
1 words
nitrogen
Starts with O
1 words
orogen
Starts with P
4 words
phytoestrogen
progestogen
pyrogen
proteinochromogen
Starts with R
2 words
roentgen
rowen
Starts with S
2 words
saprogen
silbergroschen
Starts with T
2 words
tropocollagen
thrombogen
Starts with U
1 words
urobilinogen

•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.