chemical compound vs chemistry

chemical compound and chemistry both are nouns.

Word	Noun	Adjective	Verb	Adverb
chemical compound	Yes	No	No	No
chemistry	Yes	No	No	No

chemical compound (noun)	chemistry (noun)
(chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight	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