chemistry vs catalyst

chemistry and catalyst both are nouns.

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

chemistry (noun)	catalyst (noun)
the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions	something that causes an important event to happen
the way two individuals relate to each other	(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
the chemical composition and properties of a substance or object