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Is INTERPOLATION a valid Scrabble word?

Yes, INTERPOLATION is a valid word in US Scrabble and UK Scrabble, worth 15 points.

Base score before bonus squares; blank tiles score zero.

What does INTERPOLATION mean?

  1. noun

    a message (spoken or written) that is introduced or inserted

    “with the help of his friend's interpolations his story was eventually told”

  2. noun

    (mathematics) calculation of the value of a function between the values already known

  3. noun

    the action of interjecting or interposing an action or remark that interrupts

Definitions from WordNet 3.1, Princeton University.

Points

15

Scrabble

19

Words With Friends

13

Letters

I (1) + N (1) + T (1) + E (1) + R (1) + P (3) + O (1) + L (1) + A (1) + T (1) + I (1) + O (1) + N (1) = 15 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 INTERPOLATION

Single letters that turn INTERPOLATION 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 INTERPOLATION

The 60 highest-scoring words using these letters.

Study INTERPOLATION and related words

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