walk vs cover

walk and cover both are nouns.

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

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

Other hypernyms of walk include cross, cut across, cut through, get across, get over, pass over, track, traverse.

walk (noun)	cover (noun)
the act of traveling by foot	the act of concealing the existence of something by obstructing the view of it
(baseball) an advance to first base by a batter who receives four balls	fire that makes it difficult for the enemy to fire on your own individuals or formations
a slow gait of a horse in which two feet are always on the ground	a false identity and background (especially one created for an undercover agent)
the act of walking somewhere	a recording of a song that was first recorded or made popular by somebody else
careers in general	bedding that keeps a person warm in bed
a path set aside for walking	a covering that serves to conceal or shelter something
manner of walking	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

walk (verb)	cover (verb)
obtain a base on balls	sit on (eggs)
give a base on balls to	clothe, as if for protection from the elements
use one's feet to advance; advance by steps	protect by insurance
accompany or escort	act on verbally or in some form of artistic expression
walk at a pace	be responsible for reporting the details of, as in journalism
traverse or cover by walking	maintain a check on; especially by patrolling
take a walk; go for a walk; walk for pleasure	protect or defend (a position in a game)
make walk	hold within range of an aimed firearm
live or behave in a specified manner	play a higher card than the one previously played
be or act in association with	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