Yes, CHERVILS is a Scrabble word!

Letter values in Scrabble US: C 3, H 4, E 1, R 1, V 4, I 1, L 1, S 1.

Is it a valid word?

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

aromatic annual Old World herb cultivated for its finely divided and often curly leaves for use especially in soups and salads
fresh ferny parsley-like leaves used as a garnish with chicken and veal and omelets and green salads and spinach

Also: beaked parsley, anthriscus cereifolium.