finisher vs varnisher

finisher and varnisher both are nouns.

Word	Noun	Adjective	Verb	Adverb
finisher	Yes	No	No	No
varnisher	Yes	No	No	No

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

finisher (noun)	varnisher (noun)
an animal that wins in a contest of speed	someone who applies a finishing coat of varnish
a race car that finishes a race
a worker who performs the last step in a manufacturing process
a painter who applies a finishing coat
(baseball) a relief pitcher who can protect a lead in the last inning or two of the game
a racing driver who finishes a race