run afoul vs transgress

run afoul and transgress both are verbs.

Word	Noun	Adjective	Verb	Adverb
run afoul	No	No	Yes	No
transgress	No	No	Yes	No

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

Other hypernyms of run afoul include breach, break, go against, infract, offend, violate.

run afoul (verb)	transgress (verb)
go against, as of rules and laws	pass beyond (limits or boundaries)
	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