jackfruit vs jackfruit tree

jackfruit and jackfruit tree both are nouns.

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

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

jackfruit and jackfruit tree: East Indian tree cultivated for its immense edible fruit and seeds

Other synonyms of jackfruit include Artocarpus heterophyllus.

jackfruit (noun)	jackfruit tree (noun)
immense East Indian fruit resembling breadfruit; it contains an edible pulp and nutritious seeds that are commonly roasted	East Indian tree cultivated for its immense edible fruit and seeds
East Indian tree cultivated for its immense edible fruit and seeds