Words That Rhyme With "Pterygium" :
3 syllables:
4 syllables:
Brundisium, collegium, Elysium, eulogium, fastigium, lixivium, mastigium, patagium, residuum, salpingian, vestigium
5 syllables:
callipygian, Cantabrigian, Carlovingian, Carolingian, florilegium, gynostegium, horologium, Merovingian, uropygium