common European dogwood vs red dogwood

common European dogwood and red dogwood both are nouns.

Word	Noun	Adjective	Verb	Adverb
common European dogwood	Yes	No	No	No
red dogwood	Yes	No	No	No

As nouns, common European dogwood and red dogwood are synonyms defined as:

common European dogwood and red dogwood: European deciduous shrub turning red in autumn having dull white flowers

Other synonyms of common European dogwood include blood-twig, Cornus sanguinea, pedwood.

common European dogwood (noun)	red dogwood (noun)
European deciduous shrub turning red in autumn having dull white flowers	common North American shrub with reddish purple twigs and white flowers
	European deciduous shrub turning red in autumn having dull white flowers