cover vs brush

cover and brush both are nouns.

Word	Noun	Adjective	Verb	Adverb
cover	Yes	No	Yes	No
brush	Yes	No	Yes	No

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

cover (noun)	brush (noun)
the act of concealing the existence of something by obstructing the view of it	a minor short-term fight
fire that makes it difficult for the enemy to fire on your own individuals or formations	the act of brushing your hair
a false identity and background (especially one created for an undercover agent)	the act of brushing your teeth
a recording of a song that was first recorded or made popular by somebody else	contact with something dangerous or undesirable
bedding that keeps a person warm in bed	a bushy tail or part of a bushy tail (especially of the fox)
a covering that serves to conceal or shelter something	an implement that has hairs or bristles firmly set into a handle
covering for a hole (especially a hole in the top of a container)	conducts current between rotating and stationary parts of a generator or motor
the protective covering on the front, back, and spine of a book	momentary contact
a natural object that covers or envelops	a dense growth of bushes
a fixed charge by a restaurant or nightclub over and above the charge for food and drink

cover (verb)	brush (verb)
sit on (eggs)	remove with or as if with a brush
clothe, as if for protection from the elements	touch lightly and briefly
protect by insurance	rub with a brush, or as if with a brush
act on verbally or in some form of artistic expression	clean with a brush
be responsible for reporting the details of, as in journalism	cover by brushing
maintain a check on; especially by patrolling	sweep across or over
protect or defend (a position in a game)
hold within range of an aimed firearm
play a higher card than the one previously played
be responsible for guarding an opponent in a game
provide with a covering or cause to be covered
form a cover over
copulate with a female, used especially of horses
cover as if with a shroud
put something on top of something else
travel across or pass over
hide from view or knowledge
spread over a surface to conceal or protect
be sufficient to meet, defray, or offset the charge or cost of
to take an action to protect against future problems
invest with a large or excessive amount of something
help out by taking someone's place and temporarily assuming his responsibilities
provide for
span an interval of distance, space or time
include in scope; include as part of something broader; have as one's sphere or territory
make up for shortcomings or a feeling of inferiority by exaggerating good qualities