hardy vs brave

hardy is not a noun while brave is a noun.

Word	Noun	Adjective	Verb	Adverb
hardy	No	Yes	No	No
brave	Yes	Yes	Yes	No

As adjectives, hardy and brave are synonyms defined as:

Other synonyms of hardy include audacious, dauntless, fearless, intrepid, unfearing.

hardy (noun)	brave (noun)
	people who are brave
	a North American Indian warrior

hardy (adjective)	brave (adjective)
invulnerable to fear or intimidation	possessing or displaying courage; able to face and deal with danger or fear without flinching
having rugged physical strength; inured to fatigue or hardships	invulnerable to fear or intimidation
able to survive under unfavorable weather conditions	brightly colored and showy

hardy (verb)	brave (verb)
	face and withstand with courage