Words That Rhyme With "Parkinsonian" :

3 syllables:

chthonian

4 syllables:

aeonian, bezonian, Bostonian, chelonian, demonian, Devonian, draconian, eonian, Esthonian, Estonian, Etonian, favonian, gorgonian, Houstonian, Ionian, Jacksonian, johnsonian, Jonsonian, Laconian, Lincolnian, Newtonian, Oxonian, plutonian, Shoshonean, typhonian, Wilsonian

5 syllables:

Aberdonian, Amazonian, Apollonian, Arizonian, Babylonian, Caledonian, Calydonian, Ciceronian, Emersonian, Haligonian, Hamiltonian, Heliconian, Jeffersonian, Oregonian, Patagonian, Tennysonian, Thessalonian, Washingtonian