Singing rhymes with:
bringing, clinging, flinging, pinging, ringing, slinging, springing, stinging, stringing, swinging, winging, wringing
Singing sounds like:
samsung, samsung's, sansing, schmiesing, schmoozing, senescence, sensenig, sensing, sequencing, shenanigans, simkins, sinking, smacking, smashing, smoking, smoking's, smoshing, smugness, snacking, snagging, snaking, sneaking, sneezing, snoozing, snugging, squeamishness, ssangyong, sunshine's, swensen's, swinging