Words That Rhyme With "Theologiser" :
2 syllables:
geyser, guiser, kaiser, Keizer, miser, riser, sizar, sizer, visor, vizor, wiser
3 syllables:
adviser, advisor, deviser, devisor, divisor, elisor, incisor, provisor, reviser, surpriser
4 syllables:
coloniser, colonizer, syllogizer