vinegar tree vs sumac

vinegar tree and sumac both are nouns.

Word	Noun	Adjective	Verb	Adverb
vinegar tree	Yes	No	No	No
sumac	Yes	No	No	No

As nouns, sumac is a hypernym of vinegar tree; that is, sumac is a word with a broader meaning than vinegar tree:

vinegar tree: common nonpoisonous shrub of eastern North America with waxy compound leaves and green paniculate flowers followed by red berries
sumac: a shrub or tree of the genus Rhus (usually limited to the non-poisonous members of the genus)

Other hypernyms of vinegar tree include shumac, sumach.

As nouns, sumac is a hypernym of vinegar tree; that is, sumac is a word with a broader meaning than vinegar tree:

vinegar tree: deciduous shrubby tree or eastern North America with compound leaves that turn brilliant red in fall and dense panicles of greenish yellow flowers followed by crimson acidic berries
sumac: a shrub or tree of the genus Rhus (usually limited to the non-poisonous members of the genus)

Other hypernyms of vinegar tree include shumac, sumach.

vinegar tree (noun)	sumac (noun)
common nonpoisonous shrub of eastern North America with waxy compound leaves and green paniculate flowers followed by red berries	a shrub or tree of the genus Rhus (usually limited to the non-poisonous members of the genus)
deciduous shrubby tree or eastern North America with compound leaves that turn brilliant red in fall and dense panicles of greenish yellow flowers followed by crimson acidic berries	wood of a sumac