Justinian code vs civil law

Justinian code and civil law both are nouns.

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

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

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

Other synonyms of Justinian code include jus civile, Roman law.

Justinian code (noun)	civil law (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