Gerber's rhymes with:
herbers, absorbers, albers, ambers, babers, barber's, barbers, barbour's, belabores, belabors, chamber's, chambers, chambers', december's, ebbers, ebers, embers, fiber's, fibers, fimbres, garbers, grabbers, harbor's, harbors, herbers, hubers, jobbers, kroeber's, labor's, labors, limbers, lubbers, luebbers, member's, members, members', nabers, nabors, neighbor's, neighbors, neighbors', nonmembers, november's, number's, numbers, october's, outnumbers, prescribers, remembers, robbers, robers, rubbers, sabers, sabres, scrubbers, september's, siebers, sobers, subscriber's, subscribers, subscribers', tabor's, timbers, transcribers, webber's, weber's, webers
Gerber's sounds like:
garbers, garver's, garverick, grabbers, grievers, groupers, grover's, grovers