papacy vs government

papacy and government both are nouns.

Word	Noun	Adjective	Verb	Adverb
papacy	Yes	No	No	No
government	Yes	No	No	No

As nouns, government is a hypernym of papacy; that is, government is a word with a broader meaning than papacy:

papacy: the government of the Roman Catholic Church
government: the organization that is the governing authority of a political unit

Other hypernyms of papacy include authorities, regime.

papacy (noun)	government (noun)
the government of the Roman Catholic Church	the act of governing; exercising authority
	(government) the system or form by which a community or other political unit is governed
	the study of government of states and other political units
	the organization that is the governing authority of a political unit