hog plum vs hog plum bush

hog plum and hog plum bush both are nouns.

Word	Noun	Adjective	Verb	Adverb
hog plum	Yes	No	No	No
hog plum bush	Yes	No	No	No

As nouns, hog plum and hog plum bush are synonyms defined as:

hog plum and hog plum bush: small native American shrubby tree bearing small edible yellow to reddish fruit

Other synonyms of hog plum include chickasaw plum, Prunus angustifolia.

hog plum (noun)	hog plum bush (noun)
fruit of the wild plum of southern United States	small native American shrubby tree bearing small edible yellow to reddish fruit
yellow oval tropical fruit
small native American shrubby tree bearing small edible yellow to reddish fruit
tropical American tree having edible yellow fruit