Regan's rhymes with:
diegans, feagans, siegan's, balbriggans, bargains, bennigan's, cardigans, copenhagen's, corrigan's, diegans, dorgan's, dougens, douggins, dragon's, dragons, feagans, flanigan's, flashguns, gergen's, gilligan's, goggans, gorgons, hagans, hagens, hargens, higgens, hooligans, jergens, juergens, junghans, jurgens, kerrigan's, machineguns, megan's, michigan's, morgan's, morgans, mulligans, oregon's, organs, plagens, rattigan's, reagan's, reagans, reagans', shenanigans, siegan's, slobogin's, slogans, snapdragons, toboggans, vegans, volkswagen's, volkswagens, wagons, wiggans
Regan's sounds like:
raccoons, racemes, raciness, racing, racing's, racking, raczynski, raging, ragonese, raising, raisins, rajneesh, raking, rasmus, rasnake, rasnick, razing, reaching, reagan's, reaganesque, reaganomics, reagans, reagans', reasoning, reasons, reassessing, reassigning, reawakening, recessing, recession's, recessions, recisions, reckoning, reckons, recognize, recognizes, recusing, reeking, reesjones, reesjones', reexamining, regaining, regains, regency, regency's, regime's, regimens, regimes, region's, regions, rehashing, rehearsing, reichmanns, reigning, reigns, reising, reissuing, rejoicing, rejoining, rejoins, reorganize, reorganizes, rescissions, rescuing, resignees, resigning, resigns, resins, resnais, resnick, resnick's, resnik, resonance, resumes, resuming, reusing, reworking, reznicek, reznick, reznik, rezoning, rhizomes, rhys-jones, ricans, richins, richness, rigging, riggings, riggins, rising, riskiness, risking, rocking, roginski, rogness, rogozinski, roseanne's, rosen's, rosenhaus, rosensweig, rosenzweig, rosing, rosinski, rosinsky, rossing, roughing, roughneck, roughnecks, roughness, rousing, rozanski, roznowski, rucinski, rushing, rusinko, rusnak, rusnock, russian's, russians, russians'