bourtree vs Sambucus nigra

bourtree and Sambucus nigra both are nouns.

Word	Noun	Adjective	Verb	Adverb
bourtree	Yes	No	No	No
Sambucus nigra	Yes	No	No	No

As nouns, bourtree and Sambucus nigra are synonyms defined as:

bourtree and Sambucus nigra: a common shrub with black fruit or a small tree of Europe and Asia; fruit used for wines and jellies

Other synonyms of bourtree include black elder, common elder, elderberry, European elder.

bourtree (noun)	Sambucus nigra (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