coating vs fabric

coating and fabric both are nouns.

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

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

coating: a heavy fabric suitable for coats
fabric: artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers

Other hypernyms of coating include cloth, material, textile.

coating (noun)	fabric (noun)
the work of applying something	artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers
a thin layer covering something	the underlying structure
a heavy fabric suitable for coats
a decorative texture or appearance of a surface (or the substance that gives it that appearance)