chemical science vs soaking up

chemical science and soaking up both are nouns.

Word	Noun	Adjective	Verb	Adverb
chemical science	Yes	No	No	No
soaking up	Yes	No	No	No

chemical science (noun)	soaking up (noun)
the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions	(chemistry) a process in which one substance permeates another; a fluid permeates or is dissolved by a liquid or solid