Words That Rhyme With "Gallup" :
2 syllables:
ballad, ballot, ballup, callop, collop, delap, Delapp, dollop, gallop, galop, hallock, jalap, julep, lollop, makluk, palate, palette, pileup, polyp, salad, salak, salep, scallop, shallop, stalag, Talbot, trollop, Trollope, wallop