trust busting vs government

trust busting and government both are nouns.

Word	Noun	Adjective	Verb	Adverb
trust busting	Yes	No	No	No
government	Yes	No	No	No

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

trust busting: (law) government activities seeking to dissolve corporate trusts and monopolies (especially under the United States antitrust laws)
government: the act of governing; exercising authority

Other hypernyms of trust busting include administration, governance, governing, government activity.

trust busting (noun)	government (noun)
(law) government activities seeking to dissolve corporate trusts and monopolies (especially under the United States antitrust laws)	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