papaya tree vs pawpaw

papaya tree and pawpaw both are nouns.

Word	Noun	Adjective	Verb	Adverb
papaya tree	Yes	No	No	No
pawpaw	Yes	No	No	No

As nouns, papaya tree and pawpaw are synonyms defined as:

papaya tree and pawpaw: tropical American shrub or small tree having huge deeply palmately cleft leaves and large oblong yellow fruit

Other synonyms of papaya tree include Carica papaya, melon tree, papaia, papaya.

papaya tree (noun)	pawpaw (noun)
tropical American shrub or small tree having huge deeply palmately cleft leaves and large oblong yellow fruit	fruit with yellow flesh; related to custard apples
	small tree native to the eastern United States having oblong leaves and fleshy fruit
	tropical American shrub or small tree having huge deeply palmately cleft leaves and large oblong yellow fruit