allow vs pass

allow is not a noun while pass is a noun.

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

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

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

allow: make it possible through a specific action or lack of action for something to happen
pass: allow to go without comment or censure

allow (noun)	pass (noun)
	(sports) the act of throwing the ball to another member of your team
	a usually brief attempt
	(American football) a play that involves one player throwing the ball to a teammate
	(baseball) an advance to first base by a batter who receives four balls
	success in satisfying a test or requirement
	a flight or run by an aircraft over a target
	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

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

allow (verb)	pass (verb)
allow or plan for a certain possibility; concede the truth or validity of something	eliminate from the body
give or assign a resource to a particular person or cause	come to pass
consent to, give permission; permit	disappear gradually
allow the presence of or allow (an activity) without opposing or prohibiting	pass from physical life and lose all bodily attributes and functions necessary to sustain life
let have	grant authorization or clearance for
grant as a discount or in exchange	transmit information
make it possible through a specific action or lack of action for something to happen	pass over, across, or through
allow the other (baseball) team to score	go across or through
make a possibility or provide opportunity for; permit to be attainable or cause to remain	travel past
afford possibility	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