jurisprudence vs mitigating circumstance

jurisprudence and mitigating circumstance both are nouns.

Word	Noun	Adjective	Verb	Adverb
jurisprudence	Yes	No	No	No
mitigating circumstance	Yes	No	No	No

jurisprudence (noun)	mitigating circumstance (noun)
the branch of philosophy concerned with the law and the principles that lead courts to make the decisions they do	(law) a circumstance that does not exonerate a person but which reduces the penalty associated with the offense
the collection of rules imposed by authority