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Is JACKKNIFES a valid Scrabble word?

Yes, JACKKNIFES is a valid word in US Scrabble and UK Scrabble, worth 30 points.

Base score before bonus squares; blank tiles score zero.

What does JACKKNIFES mean?

Jackknifes is a form of JACKKNIFE.

  1. noun

    a large knife with one or more folding blades

  2. noun

    a dive in which the diver bends to touch the ankles before straightening out

  3. verb

    dive into the water bending the body at the waist at a right angle, like a jackknife

Definitions from WordNet 3.1, Princeton University.

Points

30

Scrabble

34

Words With Friends

10

Letters

J (8) + A (1) + C (3) + K (5) + K (5) + N (1) + I (1) + F (4) + E (1) + S (1) = 30 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 JACKKNIFES

JACKKNIFES 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 JACKKNIFES

The 60 highest-scoring words using these letters.

Study JACKKNIFES and related words

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