osmosis vs chemical science

osmosis and chemical science both are nouns.

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

osmosis (noun)	chemical science (noun)
(biology, chemistry) diffusion of molecules through a semipermeable membrane from a place of higher concentration to a place of lower concentration until the concentration on both sides is equal	the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions