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Is SINUS a valid Scrabble word?

Yes, SINUS is a valid word in US Scrabble and UK Scrabble, worth 5 points.

Base score before bonus squares; blank tiles score zero.

What does SINUS mean?

  1. noun

    an abnormal passage leading from a suppurating cavity to the body surface

  2. noun

    any of various air-filled cavities especially in the bones of the skull

  3. noun

    a wide channel containing blood; does not have the coating of an ordinary blood vessel

Definitions from WordNet 3.1, Princeton University.

Points

Scrabble
5
Words With Friends
7
Letters
5

S (1) + I (1) + N (1) + U (1) + S (1) = 5 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 SINUS

SINUS 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 SINUS

Words that use exactly the same letters.

Words you can make from SINUS

The 18 highest-scoring words using these letters.

Study SINUS and related words

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