Gregory's rhymes with:
hungary's, vagaries, accessories, advisories, anniversaries, armories, arteries, avery's, bakeries, batteries, boundaries, bowery's, breweries, burglaries, calories, calvaries, canneries, centuries, century's, connery's, deliveries, diaries, directories, discoveries, discovery's, distilleries, documentaries, draperies, eateries, embroideries, emery's, emory's, factories, factory's, fisheries, forgeries, gabrys, galeries, galleries, gallery's, groceries, hatcheries, hickories, hillary's, histories, history's, humpherys, humphries, hungary's, injuries, inquiries, jefferies', jefferys, lotteries, luxuries, machineries, memories, mercury's, microbreweries, miseries, mysteries, nurseries, ovaries, penitentiaries, quandaries, recoveries, recovery's, refineries, refinery's, refractories, reveries, robberies, rosaries, salaries, sceneries, summaries, surgeries, thackery's, treasuries, treasury's, treasurys, vagaries, victories, wineries, winery's
Gregory's sounds like:
grassers, gregarious, gregorich, grocer's, groceries, grocers