judicial system vs judiciary

judicial system and judiciary both are nouns.

Word	Noun	Adjective	Verb	Adverb
judicial system	Yes	No	No	No
judiciary	Yes	No	No	No

As nouns, judicial system and judiciary are synonyms defined as:

judicial system and judiciary: the system of law courts that administer justice and constitute the judicial branch of government

Other synonyms of judicial system include judicatory, judicature.

judicial system (noun)	judiciary (noun)
the system of law courts that administer justice and constitute the judicial branch of government	persons who administer justice
	the system of law courts that administer justice and constitute the judicial branch of government