jurisprudence vs fiat

jurisprudence and fiat both are nouns.

Word	Noun	Adjective	Verb	Adverb
jurisprudence	Yes	No	No	No
fiat	Yes	No	No	No

jurisprudence (noun)	fiat (noun)
the branch of philosophy concerned with the law and the principles that lead courts to make the decisions they do	a legally binding command or decision entered on the court record (as if issued by a court or judge)
the collection of rules imposed by authority