chemical reactor vs setup

chemical reactor and setup both are nouns.

Word	Noun	Adjective	Verb	Adverb
chemical reactor	Yes	No	No	No
setup	Yes	No	No	No

As nouns, setup is a hypernym of chemical reactor; that is, setup is a word with a broader meaning than chemical reactor:

chemical reactor: an apparatus for holding substances that are undergoing a chemical reaction
setup: equipment designed to serve a specific function

Other hypernyms of chemical reactor include apparatus.

chemical reactor (noun)	setup (noun)
an apparatus for holding substances that are undergoing a chemical reaction	an act that incriminates someone on a false charge
	equipment designed to serve a specific function
	the way something is organized or arranged