Col.3.8  But now put them all away: anger, wrath, malice, slander, and foul talk from your mouth.
Rev.16.2  So the first angel went and poured his bowl on the earth, and foul and evil sores came upon the men who bore the mark of the beast and worshiped its image.
Rev.16.13  And I saw, issuing from the mouth of the dragon and from the mouth of the beast and from the mouth of the false prophet, three foul spirits like frogs;
Rev.18.2  And he called out with a mighty voice, "Fallen, fallen is Babylon the great! It has become a dwelling place of demons, a haunt of every foul spirit, a haunt of every foul and hateful bird;