civil law vs Justinian code

civil law and Justinian code both are nouns.

Word	Noun	Adjective	Verb	Adverb
civil law	Yes	No	No	No
Justinian code	Yes	No	No	No

As nouns, civil law and Justinian code are synonyms defined as:

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

Other synonyms of civil law include jus civile, Roman law.

civil law (noun)	Justinian code (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