Words That Rhyme With "Christianity's" :
3 syllables:
anatase, chlamydes, granitize, manatees, monetize, sanitise, sanitize, sonnetize, Trinity's, unitize, vanities
4 syllables:
affinities, amenities, calamities, communities, community's, demonetise, demonetize, divinities, humanities, humanity's, immunities, infinitize, obscenities, remonetise, remonetize