legal ouster vs eviction

legal ouster and eviction both are nouns.

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

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

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

Other synonyms of legal ouster include dispossession.

legal ouster (noun)	eviction (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