civil law vs jus civile

civil law and jus civile both are nouns.

Word	Noun	Adjective	Verb	Adverb
civil law	Yes	No	No	No
jus civile	Yes	No	No	No

As nouns, civil law and jus civile are synonyms defined as:

civil law and jus civile: the legal code of ancient Rome; codified under Justinian; the basis for many modern systems of civil law

Other synonyms of civil law include Justinian code, Roman law.

civil law (noun)	jus civile (noun)
the legal code of ancient Rome; codified under Justinian; the basis for many modern systems of civil law	the legal code of ancient Rome; codified under Justinian; the basis for many modern systems of civil law
the body of laws established by a state or nation for its own regulation