legal separation vs jurisprudence

legal separation and jurisprudence both are nouns.

Word	Noun	Adjective	Verb	Adverb
legal separation	Yes	No	No	No
jurisprudence	Yes	No	No	No

legal separation (noun)	jurisprudence (noun)
(law) the cessation of cohabitation of man and wife (either by mutual agreement or under a court order)	the branch of philosophy concerned with the law and the principles that lead courts to make the decisions they do
a judicial decree regulating the rights and responsibilities of a married couple living apart	the collection of rules imposed by authority