chemistry vs ethereal

chemistry is a noun but ethereal is not a noun.

Word	Noun	Adjective	Verb	Adverb
chemistry	Yes	No	No	No
ethereal	No	Yes	No	No

chemistry (noun)	ethereal (noun)
the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
the way two individuals relate to each other
the chemical composition and properties of a substance or object

chemistry (adjective)	ethereal (adjective)
	of or containing or dissolved in ether
	characterized by unusual lightness and delicacy
	of heaven or the spirit
	characterized by lightness and insubstantiality; as impalpable or intangible as air