coating vs tinning

coating and tinning both are nouns.

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

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

coating (noun)	tinning (noun)
the work of applying something	the application of a protective layer of tin
a thin layer covering something	the application of a thin layer of soft solder to the ends of wires before soldering them
a heavy fabric suitable for coats
a decorative texture or appearance of a surface (or the substance that gives it that appearance)