Skip to content
WWordFinderPro

Is COSMONAUT a valid Scrabble word?

Yes, COSMONAUT is a valid word in US Scrabble and UK Scrabble, worth 13 points.

Base score before bonus squares; blank tiles score zero.

What does COSMONAUT mean?

  1. noun

    a person trained to travel in a spacecraft

    “the Russians called their astronauts cosmonauts”

Definitions from WordNet 3.1, Princeton University.

Points

13

Scrabble

17

Words With Friends

9

Letters

C (3) + O (1) + S (1) + M (3) + O (1) + N (1) + A (1) + U (1) + T (1) = 13 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 COSMONAUT

Single letters that turn COSMONAUT 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 COSMONAUT

The 60 highest-scoring words using these letters.

Study COSMONAUT and related words

Have a full rack? Use the word finder to find every word you can play.