Yes, FENUGREEKS is a Scrabble word!

Letter values in Scrabble US: F 4, E 1, N 1, U 1, G 2, R 1, E 1, E 1, K 5, S 1.

Is it a valid word?

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

annual herb or southern Europe and eastern Asia having off-white flowers and aromatic seeds used medicinally and in curry
aromatic seeds used as seasoning especially in curry

Also: greek clover, trigonella foenumgraecum, fenugreek seed.