Languishing rhymes with:
anguishing, anguishing, distinguishing, extinguishing, anguishing, distinguishing, extinguishing, anguishing, distinguishing, extinguishing, relinquishing
Languishing sounds like:
lancing, langhans, lankans, lansing, lansing's, launching, launchings, lawmaking, leingang, lensing, limousines, linking, longing, longings, lounging, luminescence, luncheons, lunching, lunging, lynching, lynchings