Countable Nouns Ending in EIN and Containing R

Browse 36 valid English countable nouns ending in EIN and containing R, from Protein, Rein, Fraulein, Glycoprotein, Lipoprotein, Nucleoprotein and Mycoprotein 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
2 words
apolipoprotein
apoprotein
Starts with B
1 words
bromoprotein
Starts with C
4 words
chromoprotein
checkrein
crocein
chondroprotein
Starts with D
1 words
deoxyribonucleoprotein
Starts with F
3 words
fraulein
fetoprotein
flavoprotein
Starts with G
1 words
glycoprotein
Starts with H
2 words
hemoprotein
hordein
Starts with K
1 words
kallikrein
Starts with L
2 words
lipoprotein
lactoprotein
Starts with M
3 words
mycoprotein
mucoprotein
metaprotein
Starts with N
2 words
nucleoprotein
nonprotein
Starts with P
5 words
protein
phosphoprotein
paraprotein
photoprotein
phosphoglycoprotein
Starts with R
2 words
rein
ribonucleoprotein
Starts with S
2 words
silverstein
scleroprotein
Starts with T
4 words
terreplein
turnverein
tuberculoprotein
tetraiodophenolphthalein
Starts with X
1 words
xanthoprotein

•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.