Here's what rhymes with marginalise.

Consider these alternatives

marginalize / size marginalizing / rising terrify / high oppress / less stigmatize / size vilify / high disempower / power belittle / little defame / same humanise / luminous tyrannize / size repress / less relegate / great reeducate / great subjugate / great humiliate / late humanize / size denigrate / great radicalize / size coddle / model antagonise / peace ostracize / size demonize / size isolate / late decimate / late disenfranchise / franchise estrange / range deprive / live monopolize / size reassume / whom mollify / high demoralise / moralise