Catheretic :: Catheretic (n.) A mild kind caustic used to reduce warts and other excrescences.
Heretic :: Heretic (n.) One who holds to a heresy; one who believes some doctrine contrary to the established faith or prevailing religion.
Heretic :: Heretic (n.) One who having made a profession of Christian belief, deliberately and pertinaciously refuses to believe one or more of the articles of faith determined by the authority of the universal church..
Heretical :: Heretical (a.) Containing heresy; of the nature of, or characterized by, heresy..