Here's what rhymes with keynesianism.

Consider these alternatives

monetarism / given mercantilism / given traditionalism / given eclecticism / position neoliberalism / given doctrinaire / their interventionism / given puerile / real unitarianism / given individualism / given revivalism / given collectivism / given gradualism / given progressivism / given rationalization / relation commercialism / given fideism / theism diagenetic / magnetic wrongheaded / longheaded parochialism / given libertinism / given industrialism / given altruism / given relativism / given puritanism / given