WordNet (r) 3.0 (2006):

hominy grits
    n 1: coarsely ground hulled corn boiled as a breakfast dish in
         the southern United States [syn: grits, hominy grits]

Moby Thesaurus II by Grady Ward, 1.0:

20 Moby Thesaurus words for "hominy grits":
   breakfast food, cereal, cornflakes, dry cereal, farina, frumenty,
   grits, gruel, hasty pudding, hot cereal, kasha, loblolly, millet,
   mush, oatmeal, porridge, puffed rice, puffed wheat, rolled oats,
   wheatflakes