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Is SUMMATIONS a valid Scrabble word?

Yes, SUMMATIONS is a valid word in US Scrabble and UK Scrabble, worth 14 points.

Base score before bonus squares; blank tiles score zero.

What does SUMMATIONS mean?

Summations is a form of SUMMATION.

  1. noun

    a concluding summary (as in presenting a case before a law court)

  2. noun

    (physiology) the process whereby multiple stimuli can produce a response (in a muscle or nerve or other part) that one stimulus alone does not produce

  3. noun

    the final aggregate

    “the sum of all our troubles did not equal the misery they suffered”

  4. noun

    the arithmetic operation of summing; calculating the sum of two or more numbers

    “the summation of four and three gives seven”

Definitions from WordNet 3.1, Princeton University.

Points

14

Scrabble

18

Words With Friends

10

Letters

S (1) + U (1) + M (3) + M (3) + A (1) + T (1) + I (1) + O (1) + N (1) + S (1) = 14 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 SUMMATIONS

SUMMATIONS 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.

Words you can make from SUMMATIONS

The 60 highest-scoring words using these letters.

Study SUMMATIONS and related words

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