Indo-european rhymes with:
european, european, european, cyclopean, european, cyclopean, european, paean, peon, achaean, aegean, asean, boolean, breon, cyclopean, eon, epicurean, eritrean, european, feehan, fujian, galilean, heon, ian, jacobean, jian, keehan, korean, maccabean, mcgeean, mckeon, mckeone, meehan, mycenaean, paean, peon, plebeian, protean, rijn, shahian, sheahan, sheehan, sofian, teahan, teehan, tennessean, theon, treon, vannguyen, vian
Indo-european sounds like:
interurban, intervene, interwoven