walk vs pass

walk and pass both are nouns.

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

As nouns, walk and pass are synonyms defined as:

walk and pass: (baseball) an advance to first base by a batter who receives four balls

Other synonyms of walk include base on balls.

walk (noun)	pass (noun)
the act of traveling by foot	(sports) the act of throwing the ball to another member of your team
(baseball) an advance to first base by a batter who receives four balls	a usually brief attempt
a slow gait of a horse in which two feet are always on the ground	(American football) a play that involves one player throwing the ball to a teammate
the act of walking somewhere	(baseball) an advance to first base by a batter who receives four balls
careers in general	success in satisfying a test or requirement
a path set aside for walking	a flight or run by an aircraft over a target
manner of walking	a permit to enter or leave a military installation
	any authorization to pass or go somewhere
	an automatic advance to the next round in a tournament without playing an opponent
	a document indicating permission to do something without restrictions
	a complimentary ticket
	a difficult juncture
	one complete cycle of operations (as by a computer)
	the location in a range of mountains of a geological formation that is lower than the surrounding peaks
	a bad or difficult situation or state of affairs
	(military) a written leave of absence

walk (adjective)	pass (adjective)
	of advancing the ball by throwing it

walk (verb)	pass (verb)
obtain a base on balls	eliminate from the body
give a base on balls to	come to pass
use one's feet to advance; advance by steps	disappear gradually
accompany or escort	pass from physical life and lose all bodily attributes and functions necessary to sustain life
walk at a pace	grant authorization or clearance for
traverse or cover by walking	transmit information
take a walk; go for a walk; walk for pleasure	pass over, across, or through
make walk	go across or through
live or behave in a specified manner	travel past
be or act in association with	pass into a specified state or condition; sink into
	for time to move forward
	cause to pass
	move past
	place into the hands or custody of
	throw (a ball) to another player
	transfer to another; of rights or property
	be inherited by
	make laws, bills, etc. or bring into effect by legislation
	go unchallenged; be approved
	accept or judge as acceptable
	go successfully through a test or a selection process
	allow to go without comment or censure
	use up a period of time in a specific way
	be superior or better than some standard
	stretch out over a distance, space, time, or scope; run or extend between two points or beyond a certain point