shellac varnish vs shellac

shellac varnish and shellac both are nouns.

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

As nouns, shellac varnish and shellac are synonyms defined as:

shellac varnish and shellac: a thin varnish made by dissolving lac in ethanol; used to finish wood

shellac varnish (noun)	shellac (noun)
a thin varnish made by dissolving lac in ethanol; used to finish wood	a thin varnish made by dissolving lac in ethanol; used to finish wood
	lac purified by heating and filtering; usually in thin orange or yellow flakes but sometimes bleached white

shellac varnish (verb)	shellac (verb)
	cover with shellac