law of equivalent proportions vs chemistry

law of equivalent proportions and chemistry both are nouns.

Word	Noun	Adjective	Verb	Adverb
law of equivalent proportions	Yes	No	No	No
chemistry	Yes	No	No	No

law of equivalent proportions (noun)	chemistry (noun)
(chemistry) law stating that the proportions in which two elements separately combine with a third element are also the proportions in which they combine together	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