fortitude vs sand

fortitude and sand both are nouns.

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

As nouns, sand is a hyponym of fortitude; that is, sand is a word with a more specific, narrower meaning than fortitude:

fortitude: strength of mind that enables one to endure adversity with courage
sand: fortitude and determination

Other hyponyms of fortitude include backbone, grit, gumption, guts, moxie.

fortitude (noun)	sand (noun)
strength of mind that enables one to endure adversity with courage	fortitude and determination
	a loose material consisting of grains of rock or coral

fortitude (verb)	sand (verb)
	rub with sandpaper