Yes, FAMINES is a Scrabble word!

Letter values in Scrabble US: F 4, A 1, M 3, I 1, N 1, E 1, S 1.

Is it a valid word?

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

an acute insufficiency
a severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death