Japanese varnish tree vs Japanese sumac

Japanese varnish tree and Japanese sumac both are nouns.

Word	Noun	Adjective	Verb	Adverb
Japanese varnish tree	Yes	No	No	No
Japanese sumac	Yes	No	No	No

As nouns, Japanese varnish tree and Japanese sumac are synonyms defined as:

Japanese varnish tree and Japanese sumac: small Asiatic tree yielding a toxic exudate from which lacquer is obtained

Japanese varnish tree (noun)	Japanese sumac (noun)
deciduous tree widely grown in southern United States as an ornamental for its handsome maplelike foliage and long racemes of yellow-green flowers followed by curious leaflike pods	small Asiatic tree yielding a toxic exudate from which lacquer is obtained
small Asiatic tree yielding a toxic exudate from which lacquer is obtained