dispossession vs ouster

dispossession and ouster both are nouns.

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

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

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

Other hyponyms of dispossession include actual eviction, retaliatory eviction.

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