Circulate rhymes with:
articulate, calculate, innoculate, inoculate, miscalculate, recalculate, speculate, accumulate, articulate, calculate, coagulate, copulate, depopulate, emulate, formulate, innoculate, inoculate, manipulate, miscalculate, overregulate, populate, recalculate, reformulate, regulate, reregulate, speculate, stimulate, stipulate, strangulate, tabulate