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Is EXTRAPOLATION a valid Scrabble word?

Yes, EXTRAPOLATION is a valid word in US Scrabble and UK Scrabble, worth 22 points.

Base score before bonus squares; blank tiles score zero.

What does EXTRAPOLATION mean?

  1. noun

    (mathematics) calculation of the value of a function outside the range of known values

  2. noun

    an inference about the future (or about some hypothetical situation) based on known facts and observations

Definitions from WordNet 3.1, Princeton University.

Points

Scrabble
22
Words With Friends
25
Letters
13

E (1) + X (8) + T (1) + R (1) + A (1) + P (3) + O (1) + L (1) + A (1) + T (1) + I (1) + O (1) + N (1) = 22 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 EXTRAPOLATION

Single letters that turn EXTRAPOLATION 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 EXTRAPOLATION

The 60 highest-scoring words using these letters.

Study EXTRAPOLATION and related words

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