breach vs open up

breach is a noun but open up is not a noun.

Word	Noun	Adjective	Verb	Adverb
breach	Yes	No	Yes	No
open up	No	No	Yes	No

As verbs, open up is a hypernym of breach; that is, open up is a word with a broader meaning than breach:

Other hypernyms of breach include open.

breach (noun)	open up (noun)
a failure to perform some promised act or obligation
a personal or social separation (as between opposing factions)
an opening (especially a gap in a dike or fortification)

breach (verb)	open up (verb)
make an opening or gap in	make available
act in disregard of laws, rules, contracts, or promises	become available
	talk freely and without inhibition
	cause to open or to become open
	become open
	open up an area or prepare a way
	start to operate or function or cause to start operating or functioning