brave vs hardy

brave is a noun but hardy is not a noun.

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

As adjectives, brave and hardy are synonyms defined as:

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

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

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

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