fearlessness vs fear

fearlessness and fear both are nouns.

Word	Noun	Adjective	Verb	Adverb
fearlessness	Yes	No	No	No
fear	Yes	No	Yes	No

fearlessness (noun)	fear (noun)
the trait of feeling no fear	an emotion experienced in anticipation of some specific pain or danger (usually accompanied by a desire to flee or fight)
feeling no fear	an anxious feeling
	a feeling of profound respect for someone or something

fearlessness (verb)	fear (verb)
	be afraid or scared of; be frightened of
	regard with feelings of respect and reverence; consider hallowed or exalted or be in awe of
	be sorry; used to introduce an unpleasant statement
	be afraid or feel anxious or apprehensive about a possible or probable situation or event
	be uneasy or apprehensive about