judiciary vs judicature

judiciary and judicature both are nouns.

Word	Noun	Adjective	Verb	Adverb
judiciary	Yes	No	No	No
judicature	Yes	No	No	No

As nouns, judiciary and judicature are synonyms defined as:

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

Other synonyms of judiciary include judicatory, judicial system.

judiciary (noun)	judicature (noun)
persons who administer justice	the act of meting out justice according to the law
the system of law courts that administer justice and constitute the judicial branch of government	the position of judge
	the system of law courts that administer justice and constitute the judicial branch of government
	an assembly (including one or more judges) to conduct judicial business