transgress vs breach

transgress is not a noun while breach is a noun.

Word	Noun	Adjective	Verb	Adverb
transgress	No	No	Yes	No
breach	Yes	No	Yes	No

As verbs, transgress and breach are synonyms defined as:

transgress and breach: act in disregard of laws, rules, contracts, or promises

Other synonyms of transgress include break, go against, infract, offend, violate.

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

Other hypernyms of transgress include break, go against, infract, offend, transgress, violate.

transgress (noun)	breach (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)

transgress (verb)	breach (verb)
pass beyond (limits or boundaries)	make an opening or gap in
act in disregard of laws, rules, contracts, or promises	act in disregard of laws, rules, contracts, or promises
commit a sin; violate a law of God or a moral law
spread over land, especially along a subsiding shoreline