sumach vs shumac

sumach and shumac both are nouns.

Word	Noun	Adjective	Verb	Adverb
sumach	Yes	No	No	No
shumac	Yes	No	No	No

As nouns, sumach and shumac are synonyms defined as:

sumach and shumac: a shrub or tree of the genus Rhus (usually limited to the non-poisonous members of the genus)

Other synonyms of sumach include sumac.

sumach (noun)	shumac (noun)
a shrub or tree of the genus Rhus (usually limited to the non-poisonous members of the genus)	a shrub or tree of the genus Rhus (usually limited to the non-poisonous members of the genus)