How many points is CLUCK worth in Scrabble?

CLUCK is worth 13 points in Scrabble.

Is CLUCK a valid Scrabble word? Yes — 13 points

Yes, CLUCK is a valid Scrabble word worth 13 points.

Yes, CLUCK is a valid Words With Friends word worth 17 points.

CLUCK is a valid Scrabble US/CAN word worth 13 points:

C₃L₁U₁C₃K₅

CLUCK is valid in Scrabble UK (World) —

C₃L₁U₁C₃K₅

CLUCK is a valid Words With Friends word worth 17 points:

C₄L₂U₂C₄K₅

You can make 2 words from cluck according to the Scrabble US and Canada dictionary.