European box vs common box

European box and common box both are nouns.

Word	Noun	Adjective	Verb	Adverb
European box	Yes	No	No	No
common box	Yes	No	No	No

As nouns, European box and common box are synonyms defined as:

European box and common box: large slow-growing evergreen shrub or small tree with multiple stems; extensively used for hedges or borders and topiary figures

Other synonyms of European box include Buxus sempervirens.

European box (noun)	common box (noun)
large slow-growing evergreen shrub or small tree with multiple stems; extensively used for hedges or borders and topiary figures	large slow-growing evergreen shrub or small tree with multiple stems; extensively used for hedges or borders and topiary figures