Nostalgia rhymes with:
souljah, alija, anja, baluja, begajah, belongia, benja, borgia, catija, cotija, deja, dobrinja, elijah, farruggia, farrugia, georgia, giorgia, girija, mungia, ninja, pelagia, penja, rathje, schaja, soja, souljah, zupanja
Nostalgia sounds like:
nestle's, nestles, newcastle's, nextel's, non-catholic, non-catholics, nostalgic