ouster vs dispossession

ouster and dispossession both are nouns.

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

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

ouster: a wrongful dispossession
dispossession: the expulsion of someone (such as a tenant) from the possession of land by process of law

Other hypernyms of ouster include eviction, legal ouster.

ouster (noun)	dispossession (noun)
the act of ejecting someone or forcing them out	the expulsion of someone (such as a tenant) from the possession of land by process of law
a wrongful dispossession	freeing from evil spirits
a person who ousts or supplants someone else