carambola tree vs carambola

carambola tree and carambola both are nouns.

Word	Noun	Adjective	Verb	Adverb
carambola tree	Yes	No	No	No
carambola	Yes	No	No	No

As nouns, carambola tree and carambola are synonyms defined as:

carambola tree and carambola: East Indian tree bearing deeply ridged yellow-brown fruit

Other synonyms of carambola tree include Averrhoa carambola.

carambola tree (noun)	carambola (noun)
East Indian tree bearing deeply ridged yellow-brown fruit	deeply ridged yellow-brown tropical fruit; used raw as a vegetable or in salad or when fully ripe as a dessert
	East Indian tree bearing deeply ridged yellow-brown fruit