chemical science vs formulate

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

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

chemical science (noun)	formulate (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)	formulate (verb)
	put into words or an expression
	elaborate, as of theories and hypotheses
	come up with (an idea, plan, explanation, theory, or principle) after a mental effort
	prepare according to a formula