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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

Scrabble
30
Words With Friends
34
Letters
10

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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