fashion vs setup

fashion and setup both are nouns.

Word	Noun	Adjective	Verb	Adverb
fashion	Yes	No	Yes	No
setup	Yes	No	No	No

As nouns, setup is a hyponym of fashion; that is, setup is a word with a more specific, narrower meaning than fashion:

fashion (noun)	setup (noun)
characteristic or habitual practice	an act that incriminates someone on a false charge
consumer goods (especially clothing) in the current mode	equipment designed to serve a specific function
how something is done or how it happens	the way something is organized or arranged
the latest and most admired style in clothes and cosmetics and behavior

fashion (verb)	setup (verb)
make out of components (often in an improvising manner)