Yes, SPORES is a Scrabble word!

Letter values in Scrabble US: S 1, P 3, O 1, R 1, E 1, S 1.

Is it a valid word?

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

a small usually single-celled asexual reproductive body produced by many nonflowering plants and fungi and some bacteria and protozoans and that are capable of developing into a new individual without sexual fusion