cover vs guarantee

cover and guarantee both are nouns.

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

As verbs, guarantee is a hypernym of cover; that is, guarantee is a word with a broader meaning than cover:

cover: protect by insurance
guarantee: stand behind and guarantee the quality, accuracy, or condition of

Other hypernyms of cover include warrant.

cover (noun)	guarantee (noun)
the act of concealing the existence of something by obstructing the view of it	a written assurance that some product or service will be provided or will meet certain specifications
fire that makes it difficult for the enemy to fire on your own individuals or formations	an unconditional commitment that something will happen or that something is true
a false identity and background (especially one created for an undercover agent)	a collateral agreement to answer for the debt of another in case that person defaults
a recording of a song that was first recorded or made popular by somebody else
bedding that keeps a person warm in bed
a covering that serves to conceal or shelter something
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)	guarantee (verb)
sit on (eggs)	give surety or assume responsibility
clothe, as if for protection from the elements	promise to do or accomplish
protect by insurance	stand behind and guarantee the quality, accuracy, or condition of
act on verbally or in some form of artistic expression	make certain of
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