warn vs previse

warn and previse both are verbs.

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

As verbs, previse is a hyponym of warn; that is, previse is a word with a more specific, narrower meaning than warn:

Other hyponyms of warn include forewarn, admonish, caution, monish, threaten, alarm, alert.

warn (verb)	previse (verb)
notify of danger, potential harm, or risk	realize beforehand
advise or counsel in terms of someone's behavior	warn in advance or beforehand; give an early warning
notify, usually in advance
ask to go away