chemical science vs sublimation

chemical science and sublimation both are nouns.

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

chemical science (noun)	sublimation (noun)
the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions	(psychology) modifying the natural expression of an impulse or instinct (especially a sexual one) to one that is socially acceptable
	(chemistry) a change directly from the solid to the gaseous state without becoming liquid