hominy grits vs grits

hominy grits and grits both are nouns.

Word	Noun	Adjective	Verb	Adverb
hominy grits	Yes	No	No	No
grits	Yes	No	No	No

As nouns, hominy grits and grits are synonyms defined as:

hominy grits and grits: coarsely ground hulled corn boiled as a breakfast dish in the southern United States

hominy grits (noun)	grits (noun)
coarsely ground hulled corn boiled as a breakfast dish in the southern United States	coarsely ground hulled corn boiled as a breakfast dish in the southern United States