coating vs finishing

coating and finishing both are nouns.

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

As nouns, coating and finishing are synonyms defined as:

coating and finishing: a decorative texture or appearance of a surface (or the substance that gives it that appearance)

Other synonyms of coating include finish.

coating (noun)	finishing (noun)
the work of applying something	the act of finishing
a thin layer covering something	a decorative texture or appearance of a surface (or the substance that gives it that appearance)
a heavy fabric suitable for coats
a decorative texture or appearance of a surface (or the substance that gives it that appearance)