judiciary vs governance

judiciary and governance both are nouns.

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

As nouns, governance is a hypernym of judiciary; that is, governance is a word with a broader meaning than judiciary:

judiciary: persons who administer justice
governance: the persons (or committees or departments etc.) who make up a body for the purpose of administering something

Other hypernyms of judiciary include administration, brass, establishment, governing body, organisation, organization.

judiciary (noun)	governance (noun)
persons who administer justice	the act of governing; exercising authority
the system of law courts that administer justice and constitute the judicial branch of government	the persons (or committees or departments etc.) who make up a body for the purpose of administering something