Words That Rhyme With "Plagioclastic" :

2 syllables:

chrism, chrisom, ism, prism, schism

3 syllables:

abysm

5 syllables:

aerotropism, chemotropism, cytotropism, diatropism, dichromatism, hydrotropism, lipotropism, neurotropism, nyctitropism, orthotropism, thermotropism, thigmotropism

6 syllables:

anemotropism, galvanotropism, medievalism, reconstructionism