chichi vs modishness

chichi and modishness both are nouns.

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

As nouns, chichi and modishness are synonyms defined as:

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

chichi (noun)	modishness (noun)
elegance by virtue of being fashionable	elegance by virtue of being fashionable
someone who dresses in a trendy fashionable way

chichi (adjective)	modishness (adjective)
affectedly trendy and fashionable