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Is COSIGNATORIES a valid Scrabble word?

Yes, COSIGNATORIES is a valid word in US Scrabble and UK Scrabble, worth 16 points.

Base score before bonus squares; blank tiles score zero.

What does COSIGNATORIES mean?

Cosignatories is a form of COSIGNATORY.

  1. noun

    one of two or more signers of the same document (as a treaty or declaration)

  2. adjective

    signing jointly with others

Definitions from WordNet 3.1, Princeton University.

Points

Scrabble
16
Words With Friends
19
Letters
13

C (3) + O (1) + S (1) + I (1) + G (2) + N (1) + A (1) + T (1) + O (1) + R (1) + I (1) + E (1) + S (1) = 16 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 COSIGNATORIES

COSIGNATORIES 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 COSIGNATORIES

The 60 highest-scoring words using these letters.

Study COSIGNATORIES and related words

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