Prunus spinosa vs blackthorn

Prunus spinosa and blackthorn both are nouns.

Word	Noun	Adjective	Verb	Adverb
Prunus spinosa	Yes	No	No	No
blackthorn	Yes	No	No	No

As nouns, Prunus spinosa and blackthorn are synonyms defined as:

Prunus spinosa and blackthorn: a thorny Eurasian bush with plumlike fruits

Other synonyms of Prunus spinosa include sloe.

Prunus spinosa (noun)	blackthorn (noun)
a thorny Eurasian bush with plumlike fruits	erect and almost thornless American hawthorn with somewhat pear-shaped berries
	a thorny Eurasian bush with plumlike fruits