chemical science vs volatilise

chemical science is a noun but volatilise is not a noun.

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

chemical science (noun)	volatilise (noun)
the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions

chemical science (verb)	volatilise (verb)
	make volatile; cause to pass off in a vapor