coffeeberry vs California coffee

coffeeberry and California coffee both are nouns.

Word	Noun	Adjective	Verb	Adverb
coffeeberry	Yes	No	No	No
California coffee	Yes	No	No	No

As nouns, coffeeberry and California coffee are synonyms defined as:

coffeeberry and California coffee: evergreen shrub of western United States bearing small red or black fruits

Other synonyms of coffeeberry include California buckthorn, Rhamnus californicus.

coffeeberry (noun)	California coffee (noun)
evergreen shrub of western United States bearing small red or black fruits	evergreen shrub of western United States bearing small red or black fruits