chemical science vs polymerise

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

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

chemical science (noun)	polymerise (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)	polymerise (verb)
	undergo polymerization
	cause (a compound) to polymerize