Populism rhymes with:
bilingualism, cannibalism, capitalism, centralism, colonialism, commercialism, dualism, emotionalism, entrepreneurialism, environmentalism, evangelism, factionalism, fatalism, federalism, feudalism, formalism, fundamentalism, gradualism, imperialism, individualism, intellectualism, internationalism, journalism, legalism, liberalism, materialism, mercantilism, metabolism, minimalism, moralism, mutualism, nationalism, naturalism, neutralism, nihilism, parochialism, pastoralism, paternalism, pluralism, professionalism, provincialism, racialism, radicalism, sensationalism, socialism, supernaturalism, symbolism, territorialism, unilateralism
Populism sounds like:
palazina, paleocene, paulsen, paulson, pelagian, pelekunu, pelican, pelikan, pellicane, pellicano, peloquin, philson, phlegm, phylogeny, pilson, plasma, pliocene, polcyn, policeman, policemen, policewoman, policewomen, poliquin, polskin, polson, polygamy, polygon, polygyny, polzin, poulsen, poulson, powelson, pulcini