varnish vs coat

varnish and coat both are nouns.

Word	Noun	Adjective	Verb	Adverb
varnish	Yes	No	Yes	No
coat	Yes	No	Yes	No

As nouns, coat is a hypernym of varnish; that is, coat is a word with a broader meaning than varnish:

varnish: a coating that provides a hard, lustrous, transparent finish to a surface
coat: a thin layer covering something

Other hypernyms of varnish include coating.

As verbs, coat is a hypernym of varnish; that is, coat is a word with a broader meaning than varnish:

Other hypernyms of varnish include surface.

varnish (noun)	coat (noun)
a coating that provides a hard, lustrous, transparent finish to a surface	growth of hair or wool or fur covering the body of an animal
	an outer garment that has sleeves and covers the body from shoulder down; worn outdoors
	a thin layer covering something

varnish (verb)	coat (verb)
cover with varnish	cover or provide with a coat
	put a coat on; cover the surface of; furnish with a surface
	form a coat over