chemistry vs reaction

chemistry and reaction both are nouns.

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

chemistry (noun)	reaction (noun)
the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions	a bodily process occurring due to the effect of some antecedent stimulus or agent
the way two individuals relate to each other	doing something in opposition to another way of doing it that you don't like
the chemical composition and properties of a substance or object	an idea evoked by some experience
	extreme conservatism in political or social matters
	(mechanics) the equal and opposite force that is produced when any force is applied to a body
	a response that reveals a person's feelings or attitude
	(chemistry) a process in which one or more substances are changed into others