covering vs coating

covering and coating both are nouns.

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

As nouns, covering and coating are synonyms defined as:

Other synonyms of covering include application.

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

covering: an artifact that covers something else (usually to protect or shelter or conceal it)
coating: a thin layer covering something

covering (noun)	coating (noun)
the act of protecting something by covering it	the work of applying something
the work of applying something	a thin layer covering something
the act of concealing the existence of something by obstructing the view of it	a heavy fabric suitable for coats
an artifact that covers something else (usually to protect or shelter or conceal it)	a decorative texture or appearance of a surface (or the substance that gives it that appearance)
a natural object that covers or envelops