Junking rhymes with:
debunking, flunking, plunking, spelunking, banking, blanking, blinking, clanking, cranking, debunking, drinking, flanking, flunking, franking, honking, linking, nanking, nonbanking, outflanking, planking, plinking, plunking, ranking, reinking, rethinking, shrinking, sinking, spanking, spelunking, stinking, tanking, thanking, thinking, unthinking, winking, yanking
Junking sounds like:
jamaicans, janssens, jenkens, jenkins, jingsheng, jinkins, johnsen's, johnson's, johnsons, junghans, junkins