Acierno rhymes with:
tierno, adorno, arno, arnow, barno, bongiorno, delgiorno, erno, furno, garno, karnow, letourneau, nagorno, paterno, porno, salerno, sarno, sukarno, tarnow, tierno, torno, tornow, verno, warno
Acierno sounds like:
achorn, ackerman, ackermann, acorn, acrimony, acronym, agouron, agrarian, akerman, akkerman, akron, aquarium, askren, assyrian, aukerman, ausherman