finishing vs decorativeness

finishing and decorativeness both are nouns.

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

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

finishing: 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

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