Relapsing rhymes with:
collapsing, lapsing, collapsing, lapsing, collapsing, eclipsing, lapsing, traipsing, accessing, acquiescing, addressing, advancing, affixing, amassing, annexing, announcing, assessing, balancing, basing, bensing, blaesing, blessing, bouncing, boxing, bracing, buesing, busing, bussing, buttressing, bypassing, canvassing, caressing, casing, ceasing, chasing, classing, coalescing, coaxing, coercing, collapsing, commencing, compressing, condensing, conferencing, confessing, conversing, convincing, counterbalancing, coursing, crisscrossing, crossing, cursing, cussing, dancing, debasing, decreasing, defacing, denouncing, depressing, diagnosing, dicing, diesing, digressing, disbursing, discussing, dismissing, dispensing, dispersing, displacing, dissing, distancing, distressing, divorcing, dosing, dousing, dowsing, dressing, duensing, duesing, dusing, eclipsing, effacing, embarrassing, embracing, encompassing, endorsing, enforcing, engrossing, enhancing, ensing, enticing, erasing, expensing, experiencing, expressing, facing, faxing, fencing, financing, fixing, fleecing, flexing, focusing, forcing, freelancing, fundraising, fussing, gassing, glancing, gracing, greasing, grimacing, grossing, grousing, grussing, guessing, hairdressing, harassing, harnessing, hassing, hessing, hissing, horsing, icing, impressing, increasing, indexing, inducing, influencing, intermixing, introducing, invoicing, issing, kassing, kissing, klausing, lancing, lansing, lapsing, leasing, leising, lensing, lessing, licensing, loosing, lossing, maseng, massing, menacing, mensing, messing, mincing, misplacing, mispricing, mispronouncing, missing, mixing, necklacing, noticing, nursing, obsessing, oppressing, outclassing, outdistancing, outfoxing, outguessing, outpacing, outsourcing, overdosing, overpricing, overproducing, pacing, parsing, pasing, passing, perplexing, persing, piecing, piercing, placing, policing, possessing, pouncing, practicing, prancing, prejudicing, pressing, pricing, processing, producing, professing, progressing, promising, pronouncing, pulsing, purchasing, racing, reassessing, rebalancing, recessing, redressing, reducing, referencing, refinancing, refocusing, rehearsing, reimbursing, reinforcing, reintroducing, reising, rejoicing, relaxing, releasing, reminiscing, renouncing, rensing, replacing, repressing, repricing, reprocessing, reproducing, repulsing, repurchasing, resurfacing, retracing, reversing, rinsing, romancing, rossing, sacrificing, sansing, schmiesing, seducing, sensing, sentencing, sequencing, servicing, showcasing, silencing, slicing, sluicing, sourcing, spacing, spicing, splicing, sprucing, stressing, subleasing, suppressing, surfacing, surpassing, taxing, teleconferencing, toensing, tossing, tracing, traipsing, transgressing, traversing, trespassing, trouncing, tusing, tussing, unceasing, unconvincing, underpricing, unpromising, vexing, videoconferencing, voicing, waltzing, waxing, wincing, wirsing, wissing, witnessing, xeroxing