Paperback rhymes with:
cornerback, leatherback, louderback, quarterback, razorback, auerback, biofeedback, boback, brownback, brumback, buyback, comeback, cornerback, cutback, drawback, fallback, feeback, feedback, fishback, flashback, fosback, fullback, giveback, greenback, halfback, hanback, hardback, hatchback, hibaaq, hoback, hollenback, holsomback, holsonback, hornback, horseback, humpback, hunchback, kickback, leaseback, leatherback, lineback, louderback, netback, outback, payback, piggyback, playback, prickleback, pullback, quarterback, railsback, razorback, roback, rollback, ruback, ryback, setback, slayback, stainback, stanback, steinback, stoneback, talkback, throwback, wingback
Paperback sounds like:
paperbacks, paperboy's, paperboys, paribas, paribas's, perhaps, perovich, perpich, poorbaugh, porpoise, porpoises, powerbook, powerpc, powerpcs, powerpcs', prapas, prefabs, preface, prefix, prepackage, prepuce, previews, previous, priebke, privacies, privacy, probasco, probe's, probes, proboscis, probus, profess, professes, profs, profuse, proofs, propes, prophecies, prophecy, prophesies, propose, proposes, propps, props, proves, provigo, provigo's, proviso, provisos, provoke, provokes, provus, purpose, purposes, purves, purveys, purvis