Words That Rhyme With "Spiffing" :
2 syllables:
beefing, biffin, bluffing, briefing, chafing, cissing, coughing, daffing, dishing, dissing, ditching, doffing, drifting, fishing, gifting, Gissing, givin', giving, goofing, griffin, hissing, hitching, hoofing, huffing, itching, kissing, knifing, laughing, leafing, lifting, livin', living, loafing, Mifflin, missing, offing, proofing, riffing, roofing, roughing, ruffing, safing, scoffing, scriven, shifting, sieving, sifting, sloughing, sniffing, sniffling, snitching, snuffing, soughing, staffing, stitching, strafing, stuffing, switching, tiffin, twitching, wishing, witching
3 syllables:
bewitching, debriefing, dismissing, enriching, forgiving, misgiving, outliving, rebuffing, reliving, thanksgiving