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Is ISINGLASS a valid Scrabble word?

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

Base score before bonus squares; blank tiles score zero.

What does ISINGLASS mean?

  1. noun

    any of various minerals consisting of hydrous silicates of aluminum or potassium etc. that crystallize in forms that allow perfect cleavage into very thin leaves; used as dielectrics because of their resistance to electricity

Definitions from WordNet 3.1, Princeton University.

Points

10

Scrabble

13

Words With Friends

9

Letters

I (1) + S (1) + I (1) + N (1) + G (2) + L (1) + A (1) + S (1) + S (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 ISINGLASS

ISINGLASS 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 ISINGLASS

The 60 highest-scoring words using these letters.

Study ISINGLASS and related words

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