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Is SUBSTRATUM a valid Scrabble word?

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

Base score before bonus squares; blank tiles score zero.

What does SUBSTRATUM mean?

  1. noun

    a surface on which an organism grows or is attached

    “the gardener talked about the proper substrate for acid-loving plants”

  2. noun

    any stratum or layer lying underneath another

  3. noun

    an indigenous language that contributes features to the language of an invading people who impose their language on the indigenous population

    “the Celtic languages of Britain are a substrate for English”

Definitions from WordNet 3.1, Princeton University.

Points

14

Scrabble

18

Words With Friends

10

Letters

S (1) + U (1) + B (3) + S (1) + T (1) + R (1) + A (1) + T (1) + U (1) + M (3) = 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 SUBSTRATUM

Single letters that turn SUBSTRATUM 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 SUBSTRATUM

The 60 highest-scoring words using these letters.

Study SUBSTRATUM and related words

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