application vs plating

application and plating both are nouns.

Word	Noun	Adjective	Verb	Adverb
application	Yes	No	No	No
plating	Yes	No	No	No

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

application (noun)	plating (noun)
the action of putting something into operation	the application of a thin coat of metal (as by electrolysis)
a diligent effort	a thin coating of metal deposited on a surface
the act of bringing something to bear; using it for a particular purpose
the work of applying something
liquid preparation having a soothing or antiseptic or medicinal action when applied to the skin
a verbal or written request for assistance or employment or admission to a school
a program that gives a computer instructions that provide the user with tools to accomplish a task