monad vs chemistry

monad and chemistry both are nouns.

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

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