sugar sumac vs sugar-bush

sugar sumac and sugar-bush both are nouns.

Word	Noun	Adjective	Verb	Adverb
sugar sumac	Yes	No	No	No
sugar-bush	Yes	No	No	No

As nouns, sugar sumac and sugar-bush are synonyms defined as:

sugar sumac and sugar-bush: evergreen shrub of southeastern United States with spikes of reddish yellow flowers and glandular hairy fruits

Other synonyms of sugar sumac include Rhus ovata.

sugar sumac (noun)	sugar-bush (noun)
evergreen shrub of southeastern United States with spikes of reddish yellow flowers and glandular hairy fruits	evergreen shrub of southeastern United States with spikes of reddish yellow flowers and glandular hairy fruits