hagberry tree vs common bird cherry

hagberry tree and common bird cherry both are nouns.

Word	Noun	Adjective	Verb	Adverb
hagberry tree	Yes	No	No	No
common bird cherry	Yes	No	No	No

As nouns, hagberry tree and common bird cherry are synonyms defined as:

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

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

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