jauntiness vs modishness

jauntiness and modishness both are nouns.

Word	Noun	Adjective	Verb	Adverb
jauntiness	Yes	No	No	No
modishness	Yes	No	No	No

As nouns, modishness is a hypernym of jauntiness; that is, modishness is a word with a broader meaning than jauntiness:

Other hypernyms of jauntiness include chic, chichi, chicness, last word, smartness, stylishness, swank.

jauntiness (noun)	modishness (noun)
stylishness as evidenced by a smart appearance	elegance by virtue of being fashionable
a breezy liveliness