Iduna rhymes with:
duna, acuna, altoona, antuna, bruna, buena, deluna, duna, fortuna, garrido-luna, hoonah, kahuna, koruna, kuna, laguna, luna, mezzaluna, miscayuna, natuna, oona, osuna, ozuna, tuna, una, vicuna
Iduna sounds like:
iden, ideonomy, idiom, idona, idoney, idonia, iodine, itami, item, iten