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Is SIDEREAL a valid Scrabble word?

Yes, SIDEREAL is a valid word in US Scrabble and UK Scrabble, worth 9 points.

Base score before bonus squares; blank tiles score zero.

What does SIDEREAL mean?

  1. adjective

    of or relating to the stars or constellations

    “sidereal bodies”

  2. adjective

    (of divisions of time) determined by daily motion of the stars

    “sidereal time”

Definitions from WordNet 3.1, Princeton University.

Points

9

Scrabble

10

Words With Friends

8

Letters

S (1) + I (1) + D (2) + E (1) + R (1) + E (1) + A (1) + L (1) = 9 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 SIDEREAL

SIDEREAL has no one-letter front or back hooks in US Scrabble. Adding a single letter to either end does not make another word in that list.

Front hooks0

None — nothing can be added to the front.

Back hooks0

None — nothing can be added to the end.

Anagrams of SIDEREAL

Words that use exactly the same letters.

Words you can make from SIDEREAL

The 60 highest-scoring words using these letters.

Study SIDEREAL and related words

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