Yes, KAFFIYEH is a Scrabble word!

Letter values in Scrabble US: K 5, A 1, F 4, F 4, I 1, Y 4, E 1, H 4.

Is it a valid word?

KAFFIYEH is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

an Arab headdress consisting of a square piece of cloth folded into a triangle and fastened over the crown by an agal