How many points is COOK worth in Scrabble?

COOK is worth 10 points in Scrabble.

Is COOK a valid Scrabble word? Yes — 10 points

Yes, COOK is a valid Scrabble word worth 10 points.

Yes, COOK is a valid Words With Friends word worth 11 points.

COOK is a valid Scrabble US/CAN word worth 10 points:

C₃O₁O₁K₅

COOK is valid in Scrabble UK (World) —

C₃O₁O₁K₅

COOK is a valid Words With Friends word worth 11 points:

C₄O₁O₁K₅

You can make 5 words from cook according to the Scrabble US and Canada dictionary.