Koval rhymes with:
covel, scovel, scovil, covel, crovl, oval, scovel, scovil, anvil, approval, archival, archrival, arrival, arval, bedevil, belveal, bevel, bevil, bevill, carnival, civil, covel, covell, covill, crovl, daredevil, devil, devoll, disapproval, dishevel, divall, dorval, drivel, edival, evel, evil, festival, flavell, fravel, gavel, gravel, gravell, grovel, harvel, harvell, havel, hovel, interval, keevil, kercheval, knievel, kratochvil, larval, leavell, level, lindvall, lovell, manvel, marvel, mccarville, medieval, midlevel, multilevel, naval, navel, norvel, norvell, norvil, nouvel, novel, orval, oval, pavel, percival, primeval, ravel, removal, retrieval, revel, revival, rival, sandoval, scovel, scovell, scovil, scovill, servile, shovel, shrivel, survival, swivel, travel, uncivil, unravel, upheaval, vandenheuvel, weavil, weevil, yuval
Koval sounds like:
kabbalah, kabel, kabila, kable, kabul, kaplow, kappel, kauble, keeble, keevil, kepley, keppel, kepple, keville, kibbel, kibble, kibell, kivela, kobel, koble, koebel, koeppel, kopel, koppel, koppell, kopple, kubala, kubly, kufahl, kuffel, kvale