pummelo vs pomelo tree

pummelo and pomelo tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
pummelo	Yes	No	No	No
pomelo tree	Yes	No	No	No

As nouns, pummelo and pomelo tree are synonyms defined as:

pummelo and pomelo tree: southeastern Asian tree producing large fruits resembling grapefruits

Other synonyms of pummelo include Citrus decumana, Citrus grandis, Citrus maxima, pomelo, shaddock.

pummelo (noun)	pomelo tree (noun)
southeastern Asian tree producing large fruits resembling grapefruits	southeastern Asian tree producing large fruits resembling grapefruits