anticatalyst vs chemical science

anticatalyst and chemical science both are nouns.

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

anticatalyst (noun)	chemical science (noun)
(chemistry) a substance that retards a chemical reaction or diminishes the activity of a catalyst	the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions