Singly rhymes with:
singley, dingley, kringley, pingley, ringley, singley, stingley, swingley, tingley, angley, bracingly, dingley, kringley, longley, mattingley, pingley, ringley, singley, stingley, swingley, tingley
Singly sounds like:
samsel, sanmiguel, schenkel, schinkel, schmechel, schmeichel, seemingly, senecal, senechal, senegal, sensual, shankel, shankle, shingle, shinkle, shockingly, sinegal, singel, single, singley, sinkhole, sinsel, smejkal, smigel, smigiel, smuggle, smugly, snackwell, snuggle, snugly, swingle, swingley, synonymously