sorb apple tree vs service tree

sorb apple tree and service tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
sorb apple tree	Yes	No	No	No
service tree	Yes	No	No	No

As nouns, sorb apple tree and service tree are synonyms defined as:

sorb apple tree and service tree: medium-sized European tree resembling the rowan but bearing edible fruit

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

sorb apple tree (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