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Is SIGMOIDOSCOPE a valid Scrabble word?

Yes, SIGMOIDOSCOPE is a valid word in US Scrabble and UK Scrabble, worth 21 points.

Base score before bonus squares; blank tiles score zero.

What does SIGMOIDOSCOPE mean?

  1. noun

    an endoscope (a flexible fiberoptic probe) for examining the sigmoid colon

Definitions from WordNet 3.1, Princeton University.

Points

Scrabble
21
Words With Friends
n/a
Letters
13

S (1) + I (1) + G (2) + M (3) + O (1) + I (1) + D (2) + O (1) + S (1) + C (3) + O (1) + P (3) + E (1) = 21 points in Scrabble.

Dictionary status

  • Scrabble (US & Canada)Valid
  • Scrabble (UK & worldwide)Valid
  • Words With FriendsNot listed

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 SIGMOIDOSCOPE

Single letters that turn SIGMOIDOSCOPE 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 SIGMOIDOSCOPE

The 60 highest-scoring words using these letters.

Study SIGMOIDOSCOPE and related words

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