Populists rhymes with:
analyst's, analysts', catalyst's, centralists, colonialists, criminalist's, criminalists, cyclists, editorialists, environmentalists, environmentalists', evangelists, fatalists, federalists, fundamentalists, generalists, imperialists, individualists, industrialists, instrumentalists, internationalists, journalist's, journalists', loyalists, medalist's, medalists, moralists, motorcyclists, nationalists, naturalists, panelists, semifinalists, socialists', specialists', spiritualists, survivalists
Populists sounds like:
palisades, placetas, placid's, plastic, plastics, plisetskaya, polecats, publicists