Nappa rhymes with:
napa, cappa, gappa, kappa, napa, pappa, rappa, zappa, agrippa, aliquippa, alpa, apopa, arpa, autospa, campa, canepa, cappa, chalupa, champa, chapa, ciampa, cobepa, coipa, copa, coppa, culpa, darpa, dopa, europa, filipa, gappa, giampa, giampapa, hoppa, kampa, kappa, kempa, knippa, krempa, kroupa, krupa, kruppa, kulpa, lipa, lippa, lupa, maricopa, matsapa, mericopa, mitteleuropa, mogopa, nalepa, napa, nepa, papa, pappa, petipa, philippa, pompa, popa, poppa, potempa, pupa, purpa, rappa, ripa, scapa, scarpa, schiappa, serpa, sipa, skippa, skorupa, stopa, stupa, suppa, tampa, tegucigalpa, tipa, tupa, vespa, willapa, yucaipa, zamarripa, zappa, zepa
Nappa sounds like:
naab, nab, nabb, nabi, nabob, naef, naeve, naff, naify, naive, nambi, namibia, namphy, nanobaby, nap, napa, napea, napp, nappi, nappo, nav, nava, nave, navy, neave, neeb, neef, neff, nepa, nephew, neuhoff, neva, neve, neveau, neveu, newbie, newby, newwave, nib, nibbe, niehoff, nimby, nineveh, nip, nipp, nippy, nobbe, nobuo, nope, nouveau, nov, nova, novey, novi, novia, novo, novoa, novy, nub, nuevo, numb, nuova, nuovo, nymph