dimorphism vs chemical science

dimorphism and chemical science both are nouns.

Word	Noun	Adjective	Verb	Adverb
dimorphism	Yes	No	No	No
chemical science	Yes	No	No	No

dimorphism (noun)	chemical science (noun)
(biology) the existence of two forms of individual within the same animal species (independent of sex differences)	the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
(chemistry) the property of certain substances that enables them to exist in two distinct crystalline forms