chemical science vs coke

chemical science and coke both are nouns.

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

chemical science (noun)	coke (noun)
the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions	street names for cocaine
	carbon fuel produced by distillation of coal

chemical science (verb)	coke (verb)
	become coke