foliation vs coating

foliation and coating both are nouns.

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

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

Other hypernyms of foliation include application, covering.

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