decomposition vs chemistry

decomposition and chemistry both are nouns.

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

decomposition (noun)	chemistry (noun)
the analysis of a vector field	the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
the organic phenomenon of rotting	the way two individuals relate to each other
(biology) the process of decay caused by bacterial or fungal action	the chemical composition and properties of a substance or object
(chemistry) separation of a substance into two or more substances that may differ from each other and from the original substance
in a decomposed state