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Is TROPHOBLAST a valid Scrabble word?

Yes, TROPHOBLAST is a valid word in US Scrabble and UK Scrabble, worth 18 points.

Base score before bonus squares; blank tiles score zero.

What does TROPHOBLAST mean?

  1. noun

    the membrane that forms the wall of the blastocyst in early development; aids implantation in the uterine wall

    “after implantation of the blastocyst in the uterine wall the trophoblast divides into two layers, the chorion and the placenta”

Definitions from WordNet 3.1, Princeton University.

Points

18

Scrabble

20

Words With Friends

11

Letters

T (1) + R (1) + O (1) + P (3) + H (4) + O (1) + B (3) + L (1) + A (1) + S (1) + T (1) = 18 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 TROPHOBLAST

Single letters that turn TROPHOBLAST 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 TROPHOBLAST

The 60 highest-scoring words using these letters.

Study TROPHOBLAST and related words

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