Despairing rhymes with:
sparing, unsparing, comparing, impairing, pairing, paring, preparing, repairing, sparing, unsparing
Despairing sounds like:
deciphering, disappearance, disappearances, disappearing, discovering, disfavoring
sparing, unsparing, comparing, impairing, pairing, paring, preparing, repairing, sparing, unsparing
deciphering, disappearance, disappearances, disappearing, discovering, disfavoring