chickasaw plum vs hog plum bush

chickasaw plum and hog plum bush both are nouns.

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

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

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

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

chickasaw plum (noun)	hog plum bush (noun)
small native American shrubby tree bearing small edible yellow to reddish fruit	small native American shrubby tree bearing small edible yellow to reddish fruit