interference vs bar

interference and bar both are nouns.

Word	Noun	Adjective	Verb	Adverb
interference	Yes	No	No	No
bar	Yes	No	Yes	No

As nouns, bar is a hyponym of interference; that is, bar is a word with a more specific, narrower meaning than interference:

Other hyponyms of interference include foiling, frustration, thwarting, antagonism, obstruction, complication, deterrence, prevention.

interference (noun)	bar (noun)
the act of hindering or obstructing or impeding	the act of preventing
(American football) blocking a player's path with your body	a rigid piece of metal or wood; usually used as a fastening or obstruction or weapon
any obstruction that impedes or is burdensome	an obstruction (usually metal) placed at the top of a goal
a policy of intervening in the affairs of other countries	a room or establishment where alcoholic drinks are served over a counter
electrical or acoustic activity that can disturb communication	a counter where you can obtain food or drink
	a block of solid substance (such as soap or wax)
	(law) a railing that encloses the part of the courtroom where the judges and lawyers sit and the case is tried
	a heating element in an electric fire
	a horizontal rod that serves as a support for gymnasts as they perform exercises
	a narrow marking of a different color or texture from the background
	musical notation for a repeating pattern of musical beats
	the body of individuals qualified to practice law in a particular jurisdiction
	a submerged (or partly submerged) ridge in a river or along a shore
	(meteorology) a unit of pressure equal to a million dynes per square centimeter

interference (verb)	bar (verb)
	prevent from entering; keep out
	render unsuitable for passage
	secure with, or as if with, bars
	expel, as if by official decree