Gumbs rhymes with:
gums, gumz, becomes, bums, chums, comes, crumbs, drums, gums, gumz, hums, mums, plum's, plums, rums, slums, somes, strums, succumbs, sums, thumbs, tums, tums'
Gumbs sounds like:
genovese, genovesi, genovise, gombos, gonaives, gumbi's, gump's