chemical science vs attenuate

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

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

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

chemical science (adjective)	attenuate (adjective)
	reduced in strength

chemical science (verb)	attenuate (verb)
	become weaker, in strength, value, or magnitude
	weaken the consistency of (a chemical substance)