Yes, WHORLS is a Scrabble word!

Letter values in Scrabble US: W 4, H 4, O 1, R 1, L 1, S 1.

Is it a valid word?

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

a round shape formed by a series of concentric circles (as formed by leaves or flower petals)
a strand or cluster of hair
a structure consisting of something wound in a continuous series of loops