minniebush vs minnie bush

minniebush and minnie bush both are nouns.

Word	Noun	Adjective	Verb	Adverb
minniebush	Yes	No	No	No
minnie bush	Yes	No	No	No

As nouns, minniebush and minnie bush are synonyms defined as:

minniebush and minnie bush: low shrub of the eastern United States with downy twigs

Other synonyms of minniebush include Menziesia pilosa.

minniebush (noun)	minnie bush (noun)
low shrub of the eastern United States with downy twigs	low shrub of the eastern United States with downy twigs