Erma's rhymes with:
burma's, dearmas, irma's, abouhalima's, alabama's, almas, altima's, armas, aromas, artemas, arzamas, bahamas, burma's, cinema's, cinemas, comas, commas, damas, dearmas, delmas, depalma's, dethomas, dilemmas, dimas, diplomas, drachmas, dramas, duma's, dumas, enemas, hymas, irma's, karema's, klimas, kuchma's, lama's, lamas, limas, llamas, lomas, louima's, lymphomas, magma's, mama's, mamas, melodramas, moma's, murayama's, natomas, oklahoma's, pajamas, palma's, puma's, romas, sharma's, simas, stamas, tacoma's, tamas, thelma's, traumas, xoma's, yuma's
Erma's sounds like:
earning, earnings, earnings', earns, earnshaw, earring, earrings, ermis, erring, erroneous, eyring