sloe vs wild plum

sloe and wild plum both are nouns.

Word	Noun	Adjective	Verb	Adverb
sloe	Yes	No	No	No
wild plum	Yes	No	No	No

As nouns, wild plum is a hypernym of sloe; that is, wild plum is a word with a broader meaning than sloe:

sloe: wild plum of northeastern United States having dark purple fruits with yellow flesh
wild plum: an uncultivated plum tree or shrub

Other hypernyms of sloe include wild plum tree.

sloe (noun)	wild plum (noun)
small sour dark purple fruit of especially the Allegheny plum bush	fruit of the wild plum of southern United States
a thorny Eurasian bush with plumlike fruits	an uncultivated plum tree or shrub
wild plum of northeastern United States having dark purple fruits with yellow flesh