energetic vs alert

energetic is not a noun while alert is a noun.

Word	Noun	Adjective	Verb	Adverb
energetic	No	Yes	No	No
alert	Yes	Yes	Yes	No

energetic (noun)	alert (noun)
	a warning serves to make you more alert to danger
	an automatic signal (usually a sound) warning of danger
	condition of heightened watchfulness or preparation for action

energetic (adjective)	alert (adjective)
possessing or exerting or displaying energy	engaged in or accustomed to close observation
working hard to promote an enterprise	mentally perceptive and responsive
	quick and energetic

energetic (verb)	alert (verb)
	warn or arouse to a sense of danger or call to a state of preparedness