Surrogate rhymes with:
aggregate, farragut, mcelligott, superdelegate, vonnegut, agate, aggregate, altergott, argot, baggott, benguet, bigot, breguet, cliggott, ergot, faggot, farragut, frigate, gigot, hergott, hoggatt, ingot, kogut, legate, maggot, mcelligott, piggott, pigott, spigot, superdelegate, target, traugott, turgut, vonnegut, zagat
Surrogate sounds like:
sarasota, sarchet, scarcity, scariest, scorched, scourged, screeched, searched, searight, seawright, sechrest, sechrist, secrest, secrist, segregate, segregated, segrest, seragut, shahrzad, shirked, shrieked, shrugged, siegrist, sigrist, skyrocket, skyrocketed, surest, surged