Moderns rhymes with:
caverns, cisterns, cockburn's, eastern's, governs, hepburn's, interns, irons, lanterns, mcgovern's, northern's, northwestern's, patterns, rathburne's, saturn's, saturns, severns, southeastern's, southern's, swinburne's, swinburnes, taverns, western's, westerns
Moderns sounds like:
mandarins, manternach, matranga, matrons, maturing, maundering, maunderings, meandering, medtronic, mentoring, metering, metternich, midrange, midterms, mitering, modernize, modernizes, monitoring, mothering, motoring, muttering, mutterings