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Is MANTISSA a valid Scrabble word?

Yes, MANTISSA is a valid word in US Scrabble and UK Scrabble, worth 10 points.

Base score before bonus squares; blank tiles score zero.

What does MANTISSA mean?

  1. noun

    the positive fractional part of the representation of a logarithm; in the expression log 643 = 2.808 the mantissa is .808

Definitions from WordNet 3.1, Princeton University.

Points

Scrabble
10
Words With Friends
12
Letters
8

M (3) + A (1) + N (1) + T (1) + I (1) + S (1) + S (1) + A (1) = 10 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 MANTISSA

Single letters that turn MANTISSA 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 MANTISSA

Words that use exactly the same letters.

Words you can make from MANTISSA

The 60 highest-scoring words using these letters.

Study MANTISSA and related words

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