Nanna rhymes with:
banana, nana, adriana, alana, aldana, amana, americana, andriana, anna, arana, arcana, ariana, arianna, arlana, avana, banana, bandana, branna, briana, brianna, cabana, campana, cana, caruana, castellana, champaign-urbana, chana, christiana, christianna, copacabana, cusiana, danna, deana, deanna, diana, dianna, duana, dulciana, dyana, edana, fianna, flanna, fontana, frana, georgiana, ghana, gitana, gloriana, gordana, grana, haldana, hana, hanna, hannah, havana, heryana, humana, ileana, indiana, italiana, jana, janna, joanna, johanna, jordana, juliana, kana, khanna, lacana, lagana, lana, lanna, lantana, lapiana, levana, liliana, lilliana, llana, lorenzana, louisiana, luana, luwana, magana, mahannah, maiorana, manna, mariana, martorana, mccanna, mckanna, messana, mexicana, montana, morgana, nana, nelliana, nervana, nolana, o'cana, ocana, oceana, oksana, orellana, oriana, pastrana, pestana, philana, piana, pizana, pollyanna, quintana, rana, retana, rexana, rohana, rosanna, roxana, roxanna, saldana, sanna, santana, savanna, savannah, shana, shibanna, solana, stevana, susanna, susannah, susquehanna, suzanna, sylvana, tatiana, terrana, texarkana, tramontana, triana, tropicana, urbana, vana, vanna, viana, villafana, villagrana, villasana, viviana, vrana, zambrana, zorana
Nanna sounds like:
n, n., n92762, na, nah, nahm, nahum, naim, naiman, nam, name, nan, nana, nania, nanney, nanni, nannini, nanny, nano, naoma, naomi, nau, nauman, naumann, naw, nay, ne, nee, neeman, neenan, nehemiah, neiman, nein, nemean, nemo, nene, neni, neo, neoma, neon, neu, neue, neuman, neumann, new, newey, newman, newmann, newnam, ney, neyman, ni, nie, nieman, niemann, niemi, nienow, nihay, nihei, nihon, niihau, nimmo, nimoy, nina, nine, ninneman, ninny, nino, ninon, no, noa, noaa, noah, noam, noami, noe, noh, noiman, nom, nome, nomi, nominee, nomo, non, nona, none, nonhuman, nonie, nonunion, noon, noonan, noone, nooney, noun, now, nowa, nu, nuhn, numia, nummi, nun, nunan, nunn, nuno, nye, nyhan, nyina, nyman