coating vs decorativeness

coating and decorativeness both are nouns.

Word	Noun	Adjective	Verb	Adverb
coating	Yes	No	No	No
decorativeness	Yes	No	No	No

As nouns, decorativeness is a hypernym of coating; that is, decorativeness is a word with a broader meaning than coating:

coating: a decorative texture or appearance of a surface (or the substance that gives it that appearance)
decorativeness: an appearance that serves to decorate and make something more attractive

coating (noun)	decorativeness (noun)
the work of applying something	an appearance that serves to decorate and make something more attractive
a thin layer covering something
a heavy fabric suitable for coats
a decorative texture or appearance of a surface (or the substance that gives it that appearance)