legal ouster vs ouster

legal ouster and ouster both are nouns.

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

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

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

Other hyponyms of legal ouster include actual eviction, retaliatory eviction.

legal ouster (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
	a wrongful dispossession
	a person who ousts or supplants someone else