How many points is FLUSH worth in Scrabble?

FLUSH is worth 11 points in Scrabble.

Is FLUSH a valid Scrabble word? Yes — 11 points

Yes, FLUSH is a valid Scrabble word worth 11 points.

Yes, FLUSH is a valid Words With Friends word worth 12 points.

FLUSH is a valid Scrabble US/CAN word worth 11 points:

F₄L₁U₁S₁H₄

FLUSH is valid in Scrabble UK (World) —

F₄L₁U₁S₁H₄

FLUSH is a valid Words With Friends word worth 12 points:

F₄L₂U₂S₁H₃

You can make 9 words from flush according to the Scrabble US and Canada dictionary.