Words That Rhyme With "Celticism" :
2 syllables:
chrism, chrisom, ism, prism, schism
3 syllables:
4 syllables:
ethicism, fetichism, fetishism
5 syllables:
asceticism, asepticism, athleticism, dichromatism, eclecticism, estheticism, geneticism, hermeticism
6 syllables:
academicism, dialecticism, ecumenicism, medievalism, reconstructionism