chemistry vs stoichiometry

chemistry and stoichiometry both are nouns.

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

chemistry (noun)	stoichiometry (noun)
the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions	(chemistry) the relation between the quantities of substances that take part in a reaction or form a compound (typically a ratio of whole integers)
the way two individuals relate to each other
the chemical composition and properties of a substance or object