Backlist rhymes with:
blacklist, blacklist, checklist, blacklist, checklist, ahlquist, blacklist, blomquist, bloomquist, bolshevist, checklist, cronquist, dahlquist, edquist, elmquist, enquist, granquist, hedquist, holmquist, lindquist, lundquist, melquist, nativist, neopositivist, newquist, numismatist, podiatrist, ramqvist, recidivist, rehnquist, rundquist, runquist, sandquist, seaquist, steenkiste, stenquist, stromquist, sundquist, sunkist, wahlquist, winquist, youngquist
Backlist sounds like:
backlight, backlisted, backlogged, bicyclist