grit vs sand

grit and sand both are nouns.

Word	Noun	Adjective	Verb	Adverb
grit	Yes	No	Yes	No
sand	Yes	No	Yes	No

As nouns, grit and sand are synonyms defined as:

Other synonyms of grit include backbone, gumption, guts, moxie.

grit (noun)	sand (noun)
fortitude and determination	fortitude and determination
a hard coarse-grained siliceous sandstone	a loose material consisting of grains of rock or coral

grit (verb)	sand (verb)
clench together	rub with sandpaper
cover with a grit