Do you know ghouls from goblins and ghosts?
phenol phe·nol (fē'nôl', -nōl')
A caustic, poisonous, white crystalline compound derived from benzene and used in pharmaceuticals and in dilute form as an antiseptic. Also called carbolic acid, phenic acid.
Any of a class of aromatic organic compounds having at least one hydroxyl group attached directly to the benzene ring.