chemist vs chemistry

chemist and chemistry both are nouns.

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

chemist (noun)	chemistry (noun)
a scientist who specializes in chemistry	the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
a health professional trained in the art of preparing and dispensing drugs	the way two individuals relate to each other
	the chemical composition and properties of a substance or object