Emulate rhymes with:
accumulate, formulate, reformulate, stimulate, accumulate, articulate, calculate, circulate, coagulate, copulate, depopulate, formulate, innoculate, inoculate, manipulate, miscalculate, overregulate, populate, recalculate, reformulate, regulate, reregulate, speculate, stimulate, stipulate, strangulate, tabulate
Emulate sounds like:
emailed, emelda, emelita, emulated, enameled