Roundworm Rhymes: 57 Words to Inspire Your Inner Poet Add Roundworm to Favorites Definition Thesaurus One-Syllable Rhymes 9 berm firm germ perm sperm squirm term therm worm Two-Syllable Rhymes 29 affirm bloodworm bookworm confirm cutworm deworm earthworm flatworm fullterm gapeworm glowworm hairworm heartworm hookworm inchworm infirm long-term lungworm midterm misterm pinworm ringworm roundworm screwworm seatworm silkworm tapeworm threadworm woodworm Three-Syllable Rhymes 17 angleworm armyworm blastoderm cankerworm disaffirm disconfirm dynatherm hypoderm isotherm mesoderm oosperm pachyderm periderm reaffirm reconfirm stenotherm zygosperm Four-Syllable Rhymes 2 angiosperm poikilotherm