Backends rhymes with:
amends, arends, ascends, attends, befriends, bends, blends, commends, comprehends, contends, defends, depends, descends, ends, extends, fends, friend's, friends, friends', intends, lends, offends, overextends, portends, pretends, recommends, sends, spends, suspends, tends, transcends, trends, wends
Backends sounds like:
basements, bookends, booknotes, buckhantz