Castor
6 lettersnounmoderateUpdated June 2026
Definition
A multiple star system forming the second brightest star in the constellation Gemini, situated close to Pollux.
βOn a clear winter night, Castor is easily visible to the naked eye near Pollux in Gemini.β
Pronunciation
Syllables
casΒ·tor
Related Words
Word Game Tips
Wordle
No repeated letters, contains -ASTOR, shares its pattern with PASTOR
Scrabble
Worth 8 points, no rare tiles but solid board presence, extends to CASTORS with an S hook
Words Related to Castor
Words one letter different
Change a single letter of βcastorβ to make these 6-letter words β useful for Wordle and crossword clues.
Words you can make from Castor
Shorter words formed from the letters in βcastorβ.
Add a letter to make a longer word
7-letter words you can spell by adding one letter to βcastorβ.
Explore Similar Words
Try These Tools
Dictionary References
Look up castor in an authoritative dictionary for full definitions, pronunciation, and etymology.

Ready to test your word skills?
Download Word Challenge for unlimited word puzzles, a fresh Daily Challenge, and head-to-head multiplayer. Guess the hidden word in six tries or fewer!