walker vs walk

walker and walk both are nouns.

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

walker (noun)	walk (noun)
an enclosing framework on casters or wheels; helps babies learn to walk	the act of traveling by foot
a light enclosing framework (trade name Zimmer) with rubber castors or wheels and handles; helps invalids or the handicapped or the aged to walk	(baseball) an advance to first base by a batter who receives four balls
a shoe designed for comfortable walking	a slow gait of a horse in which two feet are always on the ground
a person who travels by foot	the act of walking somewhere
	careers in general
	a path set aside for walking
	manner of walking

walker (verb)	walk (verb)
	obtain a base on balls
	give a base on balls to
	use one's feet to advance; advance by steps
	accompany or escort
	walk at a pace
	traverse or cover by walking
	take a walk; go for a walk; walk for pleasure
	make walk
	live or behave in a specified manner
	be or act in association with