fortitude vs gumption

fortitude and gumption both are nouns.

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

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

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

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

fortitude (noun)	gumption (noun)
strength of mind that enables one to endure adversity with courage	fortitude and determination
	sound practical judgment