lubrication vs coating

lubrication and coating both are nouns.

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

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

Other hypernyms of lubrication include application, covering.

lubrication (noun)	coating (noun)
an application of a lubricant to something	the work of applying something
the condition of having been made smooth or slippery by the application of a lubricant	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)