Genzyme rhymes with:
enzyme, enzyme, enzyme, pulmazyme, pulmozyme, airtime, alltime, amandime, anaheim, anytime, bedtime, blenheim, centime, christmastime, daytime, dinnertime, downtime, durkheim, enzyme, everytime, flextime, floersheim, floresheim, florsheim, fulltime, funtime, guggenheim, guggenheim's, halftime, hochenheim, ingelheim, kuenheim, lifetime, longtime, lunchtime, maritime, mealtime, meantime, movietime, nesheim, nighttime, noontime, opheim, oppenheim, overtime, pantomime, paradigm, parttime, pastime, peacetime, primetime, pulmazyme, pulmozyme, quicktime, ragtime, schooltime, showtime, solheim, sometime, sondheim, springtime, straszheim, summertime, sundheim, waldheim, warehime, wartime, werdesheim, windchime, windheim, wineheim, wintertime
Genzyme sounds like:
gamesman, gangemi, gansen, ganson, gemignani, genicom, genson, giancana, gingham, goings-on, gunnison, gymnasium