fetterbush vs mountain fetterbush

fetterbush and mountain fetterbush both are nouns.

Word	Noun	Adjective	Verb	Adverb
fetterbush	Yes	No	No	No
mountain fetterbush	Yes	No	No	No

As nouns, fetterbush and mountain fetterbush are synonyms defined as:

fetterbush and mountain fetterbush: ornamental evergreen shrub of southeastern United States having small white bell-shaped flowers

Other synonyms of fetterbush include mountain andromeda, Pieris floribunda.

fetterbush (noun)	mountain fetterbush (noun)
showy evergreen shrub of southeastern United States with shiny leaves and angled branches and clusters of pink to reddish flowers that resemble an umbel	ornamental evergreen shrub of southeastern United States having small white bell-shaped flowers
ornamental evergreen shrub of southeastern United States having small white bell-shaped flowers