Perchance rhymes with:
chance, advance, alamance, anse, askance, chance, crance, dance, duran's, enhance, expanse, finance, france, glance, hance, lafrance, lance, mance, mccance, nance, pomerance, pomeranz, prance, rance, refinance, romance, schanz, schranz, stance, trance, underfinance, vance
Perchance sounds like:
parisians, parking, parkins, parsimonious, parsing, parsonage, parsonages, parsons, pearson's, perishing, perking, perkins, perkins', perkins's, pershing, pershing's, pershings, persians, persing, person's, personic, personics, persons, persuasions, perusing, phrasing, piercing, praising, preaching, preakness, pregnancies, pregnancy, presaging, prescience, presence, presences, pressing, presumes, presuming, pricing, pricings, prisms, prison's, prisons, processing, processions, prognoses, prognosis, prusinski, purchasing, purging, pursuing