Here's what rhymes with ratfish.
catfish flatfish Words that almost rhyme with ratfish
lapses adzes apses elapses collapses relapses prolapses raffish lavish radish flattish laddish parish anguish vanish banish blackish brackish languish hashish brandish clannish mannish faddish famish waggish kaddish caddish palish blandish haggish outlandish vanquish snappish establish reestablish disestablish