warn vs inform

warn and inform both are verbs.

Word	Noun	Adjective	Verb	Adverb
warn	No	No	Yes	No
inform	No	No	Yes	No

As verbs, inform is a hypernym of warn; that is, inform is a word with a broader meaning than warn:

As verbs, inform is a hypernym of warn; that is, inform is a word with a broader meaning than warn:

warn (verb)	inform (verb)
notify of danger, potential harm, or risk	give character or essence to
advise or counsel in terms of someone's behavior	impart knowledge of some fact, state of affairs, or event to
notify, usually in advance	act as an informer
ask to go away