Yes, JIHADS is a Scrabble word!

Letter values in Scrabble US: J 8, I 1, H 4, A 1, D 2, S 1.

Is it a valid word?

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

a holy war waged by Muslims against infidels
a holy struggle or striving by a Muslim for a moral or spiritual or political goal

Also: international jihad.