Hypo rhymes with:
typo, 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, kimpo, lampo, leppo, lippo, lupo, nappo, o'campo, obispo, ocampo, okpo, piscopo, pupo, repo, restrepo, sanfilippo, stumpo, swapo, tampopo, tipo, typo, zippo
Hypo sounds like:
haab, haaf, habeeb, habib, habibi, habibie, haby, hafey, haff, haffey, hafif, haifa, hap, happ, happe, happy, haub, hauf, hauff, have, havey, heap, heape, heaphy, heave, heavey, heavy, hebb, hebe, hebei, heeb, hefei, hep, hepp, heppe, hevey, hevia, hi-fi, hieb, hip, hipp, hippe, hippie, hippo, hive, hob, hobbie, hobby, hobo, hof, hoff, hoffa, hofi, hoof, hoop, hoopoe, hop, hope, hopf, hopi, hopp, hoppa, hoppe, hoppy, houff, houp, hove, hovey, hovy, hub, hubbub, hubby, hube, huff, huffy, hupe, hupp, hype, hyphae