papaya vs Carica papaya

papaya and Carica papaya both are nouns.

Word	Noun	Adjective	Verb	Adverb
papaya	Yes	No	No	No
Carica papaya	Yes	No	No	No

As nouns, papaya and Carica papaya are synonyms defined as:

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

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

papaya (noun)	Carica papaya (noun)
large oval melon-like tropical fruit with yellowish flesh	tropical American shrub or small tree having huge deeply palmately cleft leaves and large oblong yellow fruit
tropical American shrub or small tree having huge deeply palmately cleft leaves and large oblong yellow fruit