Zippo rhymes with:
flippo, grippo, hippo, lippo, sanfilippo, acampo, alpo, bacigalupo, bontempo, burpo, cacioppo, campo, cantalupo, capo, cappo, conasupo, contempo, crespo, crispo, cupo, defilippo, delcampo, depo, depot, difilippo, episcopo, expo, filippo, firpo, flippo, gestapo, grippo, grupo, gruppo, harpo, hippo, hypo, kimpo, lampo, leppo, lippo, lupo, nappo, o'campo, obispo, ocampo, okpo, piscopo, pupo, repo, restrepo, sanfilippo, stumpo, swapo, tampopo, tipo, typo
Zippo sounds like:
zabawa, zap, zapf, zapp, zappa, zappia, zeeb, zeff, zepa, zepp, zev, zeva, zieba, ziff, zip, zipf, zipp, zippy, ziv, zogby, zoghby, zopfi, zuba, zube, zubia, zuboff