Words That Rhyme With "Fantastic" :
2 syllables:
clastic, drastic, mastic, nastic, plastic, spastic
3 syllables:
ballastic, bombastic, dynastic, dysplastic, elastic, euplastic, gymnastic, monastic, sarcastic, scholastic, stochastic, synclastic
4 syllables:
anaclastic, anaplastic, anelastic, antiblastic, anticlastic, antiplastic, archiblastic, cataplastic, ceroplastic, chiliastic, cryptoclastic, cytoclastic, cytoplastic, diploblastic, entoblastic, epispastic, fibroplastic, holoblastic, holophrastic, homoplastic, hyperplastic, inelastic, lymphoblastic, meroblastic, mesoblastic, monoblastic, neoplastic, onomastic, orgiastic, orthoclastic, paederastic, paraphrastic, pederastic, periphrastic, poroplastic, predynastic, pyroclastic, semiplastic, thermoplastic, thromboplastic, trophoblastic, zymoplastic
5 syllables:
achondroplastic, aeroelastic, ameloblastic, ecclesiastic, encomiastic, enthusiastic, heteroplastic, homeoplastic, iconoclastic, interscholastic, paronomastic, photoelastic, poikiloblastic, thermoelastic, viscoelastic