defy vs brave

defy is not a noun while brave is a noun.

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

As verbs, brave is a hyponym of defy; that is, brave is a word with a more specific, narrower meaning than defy:

Other hyponyms of defy include brave out, endure, weather.

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

defy (adjective)	brave (adjective)
	possessing or displaying courage; able to face and deal with danger or fear without flinching
	invulnerable to fear or intimidation
	brightly colored and showy

defy (verb)	brave (verb)
challenge	face and withstand with courage
resist or confront with resistance
elude, especially in a baffling way