Words That Rhyme With "Acanthopterygian" :
3 syllables:
Fijian, Magian, Phrygian, stygian, Vivian, Vivien, Vivienne
4 syllables:
Bolivian, Brundisium, Elysium, fastigium, mastigium, oblivion, salpingian, vestigium
5 syllables:
callipygian, Cantabrigian, Carlovingian, Carolingian, Merovingian, neologian, philologian, theologian, uropygium