Yes, PERVERTING is a Scrabble word!

Letter values in Scrabble US: P 3, E 1, R 1, V 4, E 1, R 1, T 1, I 1, N 1, G 2.

Is it a valid word?

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

corrupt morally or by intemperance or sensuality
practice sophistry; change the meaning of or be vague about in order to mislead or deceive
change the inherent purpose or function of something

Also: twist around.

Not playable in Scrabble US: DEMORALISE.