Yes, NECKTIES is a Scrabble word!

Letter values in Scrabble US: N 1, E 1, C 3, K 5, T 1, I 1, E 1, S 1.

Is it a valid word?

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

neckwear consisting of a long narrow piece of material worn (mostly by men) under a collar and tied in knot at the front