Robins' rhymes with:
grabens, robin's, robins, grabens, robin's, robins, bourbons, cabins, carbons, cubans, fitzgibbons, fluorocarbons, gibbens, grabens, hertzenleben's, hydrocarbons, mccubbins, ribbons, robin's, robins, rubens, suburbans, toobin's, turbans, urban's
Robins' sounds like:
rabin's, rabobank, raping, rappahannock, rapping, ravenous, ravens, ravin's, ravines, raving, ravinous, ravinus, reaping, rebuffing, refenes, refinance, refinances, refines, refining, refinish, reopening, reopens, repaying, repinski, reponse, revenge, revenues, reviewing, reviving, revving, ribbing, ribbons, riffing, ripening, ripping, robbing, robbins, robin's, robins, robins's, roofing, roping, roving, rovings, rubbing, rubens, rubin's, ruffing, rybinski