ouster vs exclusion

ouster and exclusion both are nouns.

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

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

Other hypernyms of ouster include ejection, expulsion, riddance.

ouster (noun)	exclusion (noun)
the act of ejecting someone or forcing them out	the act of forcing out someone or something
a wrongful dispossession	a deliberate act of omission
a person who ousts or supplants someone else	the state of being excluded
	the state of being excommunicated