coating vs foliation

coating and foliation both are nouns.

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

As nouns, foliation is a hyponym of coating; that is, foliation is a word with a more specific, narrower meaning than coating:

coating (noun)	foliation (noun)
the work of applying something	the production of foil by cutting or beating metal into thin leaves
a thin layer covering something	the work of coating glass with metal foil
a heavy fabric suitable for coats	(architecture) leaf-like architectural ornament
a decorative texture or appearance of a surface (or the substance that gives it that appearance)	(geology) the arrangement of leaflike layers in a rock
	(botany) the process of forming leaves