Brontosaurus rhymes with:
dilophosaurus, stegosaurus, thesaurus, tyrannosaurus, dilophosaurus, sorus, stegosaurus, thesaurus, tyrannosaurus, chorus, dilophosaurus, doris, goris, horace, horus, maquiladoras, maurus, mcmorris, morris, morris', porous, sorus, stegosaurus, taurus, thesaurus, torras, tyrannosaurus