Here's what rhymes with multiculturalism.

Consider these alternatives

pluralism / given bilingualism / given multicultural / cultural assimilation / information feminism / given inclusiveness / exclusiveness environmentalism / given liberalism / given conservatism / given consumerism / given relativism / given nationalism / given individualism / given egalitarianism / given secularism / given federalism / given postmodernism / given patriotism / given pluralistic / characteristic internationalism / given individuality / personality republicanism / given cosmopolitanism / given pacifism / given antisemitism / given imperialism / given fundamentalism / given politicization / information radicalism / given humanism / given ecumenism / given localism / given activism / given elitism / given homogenization / information emphasising / leaving ideologies / qualities divisiveness / decisiveness