gilding vs coating

gilding and coating both are nouns.

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

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

Other hypernyms of gilding include coat.

gilding (noun)	coating (noun)
a coating of gold or of something that looks like gold	the work of applying something
	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)