Holiness rhymes with:
deadliness, ghastliness, liveliness, loneliness, niggardliness, orderliness, silliness, slovenliness, timeliness, ugliness, worldliness
Holiness sounds like:
hailing, halling, hallums, halmos, hauling, healing, heeling, heileman's, helen's, helena's, helens, heling, helinski, hellams, hellenic, hellenize, hellenizes, helling, hellums, helmes, helmich, helmick, helmig, helming, helminiak, helminski, helmke, helms, helms', helms's, hilemon's, hilinski, hillians, hilling, hilmes, holewinski, holing, holliman's, holling, hollings, hollins, hollowing, holmes, holmes's, holness, hoolihan's, houlihan's, howling, huling, hulings, hulon's