Collins's rhymes with:
rollins's, rollins's, atkins's, cummins's, martins's, perkins's, rollins's, stephens's, allianz's, atkins's, benz's, benzes, burns's, clines's, cummins's, dickens's, downes's, evans's, givens's, heinz's, hynes's, johns's, jones's, joneses, lenz's, lyons's, martens's, martins's, owens's, perkins's, pickens's, robins's, rollins's, rothmans's, saens's, simmons's, stearns's, stephens's, submarines's, summonses, vons's, winans's
Collins's sounds like:
cackling, cajoling, calamine's, callahan's, callens, calling, calmes, calming, calmness, calms, casualness, ceiling, ceilings, celanese, celnik, challenge, challenges, chileans, chilling, chiseling, chuckling, cieslinski, claiming, claims, clams, clancey, clancy, clancy's, clang, clank, clannish, clans, claunch, clawing, cleaning, cleanness, cleans, cleanse, clemans, clemence, clemency, clemens, clemmons, clemons, clench, clenches, climaco, climax, climaxes, climes, clinch, clinches, clines, clines's, cling, clings, clinic, clinic's, clinics, clinique, clink, clonch, clones, clones', cloning, clowning, clowns, cloying, clumsy, clung, clunk, clunks, clunky, coglianese, coleman's, colinas, colling, collinge, collings, collins, collins', collums, colonies, colonize, colonus, colony's, columns, colunga, cooling, coolness, cowling, cowling's, cowlings, cowlings', cowlings's, cullens, culling, cullins, cullum's, cwiklinski, cycling, cyclones