zippy vs snappy

zippy and snappy both are adjectives.

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

As adjectives, zippy and snappy are synonyms defined as:

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

zippy (adjective)	snappy (adjective)
quick and energetic	pleasantly cold and invigorating
marked by lively action	quick and energetic
	marked by up-to-dateness in dress and manners
	apt to speak irritably
	smart and fashionable