Juneberry vs shadbush

Juneberry and shadbush both are nouns.

Word	Noun	Adjective	Verb	Adverb
Juneberry	Yes	No	No	No
shadbush	Yes	No	No	No

As nouns, Juneberry and shadbush are synonyms defined as:

Juneberry and shadbush: any of various North American trees or shrubs having showy white flowers and edible blue-black or purplish fruit

Other synonyms of Juneberry include service tree, serviceberry, shadblow.

Juneberry (noun)	shadbush (noun)
any of various North American trees or shrubs having showy white flowers and edible blue-black or purplish fruit	any of various North American trees or shrubs having showy white flowers and edible blue-black or purplish fruit