eviction vs legal ouster

eviction and legal ouster both are nouns.

Word	Noun	Adjective	Verb	Adverb
eviction	Yes	No	No	No
legal ouster	Yes	No	No	No

As nouns, eviction and legal ouster are synonyms defined as:

eviction and legal ouster: the expulsion of someone (such as a tenant) from the possession of land by process of law

Other synonyms of eviction include dispossession.

eviction (noun)	legal ouster (noun)
the expulsion of someone (such as a tenant) from the possession of land by process of law	the expulsion of someone (such as a tenant) from the possession of land by process of law
action by a landlord that compels a tenant to leave the premises (as by rendering the premises unfit for occupancy); no physical expulsion or legal process is involved