react vs chemistry

react is not a noun while chemistry is a noun.

Word	Noun	Adjective	Verb	Adverb
react	No	No	Yes	No
chemistry	Yes	No	No	No

react (noun)	chemistry (noun)
	the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
	the way two individuals relate to each other
	the chemical composition and properties of a substance or object

react (verb)	chemistry (verb)
undergo a chemical reaction; react with another substance under certain conditions
show a response or a reaction to something
act against or in opposition to