Words That Rhyme With "Diocletian" :
2 syllables:
3 syllables:
accretion, Capetian, completion, concretion, deletion, depletion, excretion, Helvetian, impletion, incretion, Phoenician, repletion, secretion, suppletion, Tahitian, Venetian
4 syllables:
carburetion, Epictetian, incompletion