trust busting vs governance

trust busting and governance both are nouns.

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

As nouns, governance is a hypernym of trust busting; that is, governance 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)
governance: the act of governing; exercising authority

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

trust busting (noun)	governance (noun)
(law) government activities seeking to dissolve corporate trusts and monopolies (especially under the United States antitrust laws)	the act of governing; exercising authority
	the persons (or committees or departments etc.) who make up a body for the purpose of administering something