coating vs tiling

coating and tiling both are nouns.

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

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

coating (noun)	tiling (noun)
the work of applying something	the application of tiles to cover a surface
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)