rose apple vs rose-apple tree

rose apple and rose-apple tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
rose apple	Yes	No	No	No
rose-apple tree	Yes	No	No	No

As nouns, rose apple and rose-apple tree are synonyms defined as:

rose apple and rose-apple tree: tropical tree of the East Indies cultivated for its edible fruit

Other synonyms of rose apple include Eugenia jambos, jambosa.

rose apple (noun)	rose-apple tree (noun)
fragrant oval yellowish tropical fruit used in jellies and confections	tropical tree of the East Indies cultivated for its edible fruit
tropical tree of the East Indies cultivated for its edible fruit