European elder vs common elder

European elder and common elder both are nouns.

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

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

European elder and common elder: a common shrub with black fruit or a small tree of Europe and Asia; fruit used for wines and jellies

Other synonyms of European elder include black elder, bourtree, elderberry, Sambucus nigra.

European elder (noun)	common elder (noun)
a common shrub with black fruit or a small tree of Europe and Asia; fruit used for wines and jellies	a common shrub with black fruit or a small tree of Europe and Asia; fruit used for wines and jellies