chemistry vs monad

chemistry and monad both are nouns.

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

chemistry (noun)	monad (noun)
the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions	(biology) a single-celled microorganism (especially a flagellate protozoan)
the way two individuals relate to each other	a singular metaphysical entity from which material properties are said to derive
the chemical composition and properties of a substance or object	(chemistry) an atom having a valence of one