Irons rhymes with:
caverns, cisterns, cockburn's, eastern's, governs, hepburn's, interns, lanterns, mcgovern's, moderns, northern's, northwestern's, patterns, rathburne's, saturn's, saturns, severns, southeastern's, southern's, swinburne's, swinburnes, taverns, western's, westerns
Irons sounds like:
iran's, iranamok, iranians, iranians', irene's, irianese, irma's, ironic, ironies, ironing, ironize, ironizes