Irena rhymes with:
llerena, morena, raina, reyna, traina, alena, avena, dana, eirena, elaina, guenna, illina, llerena, madalena, maina, marlena, morena, payna, raina, reyna, robaina, traina, urena, verena
Irena sounds like:
ierne, iran, irani, iranian, ireene, irene, irian, irina, irma, iron, irony, irwin