Here's what rhymes with protectionist.

Consider these alternatives

protectionism / given isolationist / conservationist nationalistic / characteristic isolationism / given barriers / carriers discriminatory / story liberalization / relation populism / given inflationary / very xenophobic / logic reactionary / very imperialist / materialist monopolistic / characteristic distorting / according liberalisation / relation retaliatory / story undemocratic / democratic forestall / small resorting / according confrontational / educational draconian / chromium retaliate / late unilateralism / given