shadblow vs shadbush

shadblow and shadbush both are nouns.

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

As nouns, shadblow and shadbush are synonyms defined as:

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

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

shadblow (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