Is CASTOR a valid Scrabble word?
Yes, CASTOR is a valid word in US Scrabble and UK Scrabble, worth 8 points.
Base score before bonus squares; blank tiles score zero.
What does CASTOR mean?
- noun
a multiple star with 6 components; second brightest in Gemini; close to Pollux
- noun
a shaker with a perforated top for sprinkling powdered sugar
- noun
a pivoting roller attached to the bottom of furniture or trucks or portable machines to make them movable
- noun
a hat made with the fur of a beaver (or similar material)
Definitions from WordNet 3.1, Princeton University.
Points
- Scrabble
- 8
- Words With Friends
- 9
- Letters
- 6
C (3) + A (1) + S (1) + T (1) + O (1) + R (1) = 8 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 CASTOR
Single letters that turn CASTOR 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
Anagrams of CASTOR
Words that use exactly the same letters.
Words you can make from CASTOR
The 60 highest-scoring words using these letters.
- actors8
- costar8
- scrota8
- tarocs8
- acros7
- actor7
- ascot7
- carts7
- coast7
- coats7
- costa7
- orcas7
- oscar7
- scart7
- tacos7
- taroc7
- torcs7
- acro6
- acts6
- arco6
- arcs6
- cars6
- cart6
- cast6
- cats6
- coat6
- cors6
- cost6
- cots6
- ocas6
- orca6
- orcs6
- rocs6
- scar6
- scat6
- scot6
- soca6
- taco6
- torc6
- ratos5
- roast5
- rotas5
- sorta5
- taros5
- toras5
- act5
- arc5
- car5
- cat5
- cor5
- cos5
- cot5
- oca5
- orc5
- roc5
- sac5
- soc5
- aros4
- arts4
- oars4
Study CASTOR and related words
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