fearless vs brave

fearless is not a noun while brave is a noun.

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

As adjectives, fearless and brave are synonyms defined as:

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

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

fearless (adjective)	brave (adjective)
oblivious of dangers or perils or calmly resolute in facing them	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
	brightly colored and showy

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