chemical science vs saponify

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

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

chemical science (noun)	saponify (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)	saponify (verb)
	convert into soap by hydrolizing an ester into an acid and alcohol as a result of treating it with an alkali
	become converted into soap by being hydrolized into an acid and alcohol as a result of being treated with an alkali