Gartmore rhymes with:
biltmore, ardmore, baltimore, barrymore, beardmore, biltmore, claymore, damore, evermore, fenimore, fennimore, filmore, finamore, furthermore, glenmore, kenmore, laramore, nevermore, rossmore, sofamor, sophomore, swarthmore, sycamore, talmor
Gartmore sounds like:
gaertner, gardener, gardenhire, gardiner, gardinier, gardner, gartner, gertner, girdner, gordinier, gordner, gurtner