Freethinkers rhymes with:
thinkers, drinker's, drinkers, stinkers, thinkers, tinker's, anchor's, anchors, banker's, bankers, bankers', bonkers, bunkers, cankers, clunkers, conquers, drinker's, drinkers, munkres, plunkers, rankers, spelunkers, stinkers, tankers, thinkers, tinker's, yonkers, younkers, younkers'