cover vs spray

cover and spray both are nouns.

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

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

cover (noun)	spray (noun)
the act of concealing the existence of something by obstructing the view of it	a dispenser that turns a liquid (such as perfume) into a fine mist
fire that makes it difficult for the enemy to fire on your own individuals or formations	flower arrangement consisting of a single branch or shoot bearing flowers and foliage
a false identity and background (especially one created for an undercover agent)	a jet of vapor
a recording of a song that was first recorded or made popular by somebody else	a quantity of small objects flying through the air
bedding that keeps a person warm in bed	water in small drops in the atmosphere; blown from waves or thrown up by a waterfall
a covering that serves to conceal or shelter something	a pesticide in suspension or solution; intended for spraying
covering for a hole (especially a hole in the top of a container)
the protective covering on the front, back, and spine of a book
a natural object that covers or envelops
a fixed charge by a restaurant or nightclub over and above the charge for food and drink

cover (verb)	spray (verb)
sit on (eggs)	scatter in a mass or jet of droplets
clothe, as if for protection from the elements	be discharged in sprays of liquid
protect by insurance	cover by spraying with a liquid
act on verbally or in some form of artistic expression
be responsible for reporting the details of, as in journalism
maintain a check on; especially by patrolling
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