run afoul vs offend

run afoul and offend both are verbs.

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

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

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

run afoul (verb)	offend (verb)
go against, as of rules and laws	hurt the feelings of
	cause to feel resentment or indignation
	strike with disgust or revulsion
	act in disregard of laws, rules, contracts, or promises