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Is ARCCOSINE a valid Scrabble word?

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

Base score before bonus squares; blank tiles score zero.

What does ARCCOSINE mean?

  1. noun

    the inverse function of the cosine; the angle that has a cosine equal to a given number

Definitions from WordNet 3.1, Princeton University.

Points

Scrabble
13
Words With Friends
16
Letters
9

A (1) + R (1) + C (3) + C (3) + O (1) + S (1) + I (1) + N (1) + E (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 ARCCOSINE

Single letters that turn ARCCOSINE 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 ARCCOSINE

Words that use exactly the same letters.

Words you can make from ARCCOSINE

The 60 highest-scoring words using these letters.

Study ARCCOSINE and related words

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