Gallup rhymes with:
gallop, gallop, scallop, billup, cullop, delap, delapp, develop, dollop, envelop, fillip, fulop, gallop, heslop, hislop, hyslop, julep, mckillip, mckillop, philip, phillippe, polyp, redevelop, scallop, tellep, tulip, underdevelop, wallop
Gallup sounds like:
galbo, galeb, galef, galipeau, gallop, galoob, gelb, gelpi, gilb, gilbey, gilbo, gilboy, gilby, glaab, glab, glaub, gleave, gleba, glib, glob, globe, globo, glop, gloppy, glove, golab, golba, golf, golfie, golob, golub, guilbeau, gulf, gulp