zippy vs alert

zippy is not a noun while alert is a noun.

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

As adjectives, zippy and alert are synonyms defined as:

Other synonyms of zippy include brisk, lively, merry, rattling, snappy, spanking.

zippy (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

zippy (adjective)	alert (adjective)
quick and energetic	engaged in or accustomed to close observation
marked by lively action	mentally perceptive and responsive
	quick and energetic

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