spiffy vs jaunty

spiffy and jaunty both are adjectives.

Word	Noun	Adjective	Verb	Adverb
spiffy	No	Yes	No	No
jaunty	No	Yes	No	No

As adjectives, spiffy and jaunty are synonyms defined as:

Other synonyms of spiffy include dapper, dashing, natty, raffish, rakish, snappy, spruce.

spiffy (adjective)	jaunty (adjective)
marked by up-to-dateness in dress and manners	having a cheerful, lively, and self-confident air
	marked by up-to-dateness in dress and manners