barring vs exclusion

barring and exclusion both are nouns.

Word	Noun	Adjective	Verb	Adverb
barring	Yes	No	No	No
exclusion	Yes	No	No	No

As nouns, exclusion is a hypernym of barring; that is, exclusion is a word with a broader meaning than barring:

Other hypernyms of barring include ejection, expulsion, riddance.

barring (noun)	exclusion (noun)
the act of excluding someone by a negative vote or veto	the act of forcing out someone or something
	a deliberate act of omission
	the state of being excluded
	the state of being excommunicated