Backlogs rhymes with:
catalogues, dialogues, monologues, bulldogs, bullfrogs, catalogues, dialogues, eggnogs, hotdogs, monologues, sandhogs, synagogues, underdogs, watchdogs
Backlogs sounds like:
bacillus, backlash, backlashes, backless, backlog, backslash, backslashes, bagels, baseless, basilica, beagle's, beagles, beaklike, beaujolais, beckles, begala's, beschloss, beschloss', beschloss's, beshloss, bicycles, bifocals, bigelow's, bisexuals, boggles, boslego, bozell's, buchholz, bucholz, buckels, buckholz, buckles, bucolic, bugles, bugliosi, bugliosi's, busalacchi, bushels, buslease, busulaki