Prunus padus vs common bird cherry

Prunus padus and common bird cherry both are nouns.

Word	Noun	Adjective	Verb	Adverb
Prunus padus	Yes	No	No	No
common bird cherry	Yes	No	No	No

As nouns, Prunus padus and common bird cherry are synonyms defined as:

Prunus padus and common bird cherry: small European cherry tree closely resembling the American chokecherry

Other synonyms of Prunus padus include European bird cherry, hagberry tree.

Prunus padus (noun)	common bird cherry (noun)
small European cherry tree closely resembling the American chokecherry	small European cherry tree closely resembling the American chokecherry