Is OPERCULUM a valid Scrabble word?
Yes, OPERCULUM is a valid word in US Scrabble and UK Scrabble, worth 15 points.
Base score before bonus squares; blank tiles score zero.
What does OPERCULUM mean?
- noun
a hard flap serving as a cover for (a) the gill slits in fishes or (b) the opening of the shell in certain gastropods when the body is retracted
Definitions from WordNet 3.1, Princeton University.
Points
- Scrabble
- 15
- Words With Friends
- 21
- Letters
- 9
O (1) + P (3) + E (1) + R (1) + C (3) + U (1) + L (1) + U (1) + M (3) = 15 points in Scrabble.
Dictionary status
- Scrabble (US & Canada)Valid
- Scrabble (UK & worldwide)Valid
- Words With FriendsListed
Scrabble lists: NWL2023 (US & Canada) and CSW24 (UK & worldwide). WWF uses our ENABLE reference plus verified additions. “Listed” and “Not listed” describe that reference; check acceptance in the game. Sources reviewed 2026-10-03.
Hooks for OPERCULUM
Single letters that turn OPERCULUM into another valid word in US Scrabble. Hooks let you extend a word already on the board.
Front hooks0
None. Nothing can be added to the front.
Back hooks1
Words you can make from OPERCULUM
The 60 highest-scoring words using these letters.
- clumper13
- crumple13
- compel12
- cuprum12
- coupler11
- clomp11
- clump11
- crump11
- cormel10
- couple10
- croupe10
- cupule10
- lumper10
- pumelo10
- recoup10
- rumple10
- upcurl10
- comp10
- celom9
- comer9
- coper9
- coupe9
- croup9
- cupel9
- locum9
- moper9
- mucor9
- mucro9
- plume9
- proem9
- colure8
- curule8
- clop8
- come8
- cope8
- corm8
- coup8
- crop8
- culm8
- lump8
- merc8
- mope8
- perc8
- perm8
- plum8
- poem8
- pome8
- prom8
- puce8
- romp8
- rump8
- ceorl7
- clour7
- cruel7
- lemur7
- loper7
- loupe7
- lucre7
- morel7
- oleum7
Study OPERCULUM and related words
Have a full rack? Use the word finder to find every word you can play.