Sorbus domestica vs service tree

Sorbus domestica and service tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
Sorbus domestica	Yes	No	No	No
service tree	Yes	No	No	No

As nouns, Sorbus domestica and service tree are synonyms defined as:

Sorbus domestica and service tree: medium-sized European tree resembling the rowan but bearing edible fruit

Other synonyms of Sorbus domestica include sorb apple, sorb apple tree.

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