Hellenize rhymes with:
colonize, africanize, agonize, aluminize, americanize, antagonize, balkanize, canonize, carbonize, christianize, colonize, communize, demonize, disorganize, euthanize, galvanize, harmonize, homogenize, humanize, ionize, lionize, mechanize, organize, patronize, reorganize, revolutionize, scrutinize, suburbanize, synchronize, unionize, urbanize, womanize
Hellenize sounds like:
hailing, halling, hallums, halmos, hauling, healing, heeling, heileman's, helen's, helena's, helens, heling, helinski, hellams, hellenic, hellenizes, helling, hellums, helmes, helmich, helmick, helmig, helming, helminiak, helminski, helmke, helms, helms', helms's, hilemon's, hilinski, hillians, hilling, hilmes, holewinski, holiness, holing, holliman's, holling, hollings, hollins, hollowing, holmes, holmes's, holness, hoolihan's, houlihan's, howling, huling, hulings, hulon's