service tree vs Juneberry

service tree and Juneberry both are nouns.

Word	Noun	Adjective	Verb	Adverb
service tree	Yes	No	No	No
Juneberry	Yes	No	No	No

As nouns, service tree and Juneberry are synonyms defined as:

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

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

service tree (noun)	Juneberry (noun)
medium-sized European tree resembling the rowan but bearing edible fruit	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