soursop vs custard apple

soursop and custard apple both are nouns.

Word	Noun	Adjective	Verb	Adverb
soursop	Yes	No	No	No
custard apple	Yes	No	No	No

As nouns, custard apple is a hypernym of soursop; that is, custard apple is a word with a broader meaning than soursop:

soursop: large spiny tropical fruit with tart pulp related to custard apples
custard apple: the fruit of any of several tropical American trees of the genus Annona having soft edible pulp

As nouns, custard apple is a hypernym of soursop; that is, custard apple is a word with a broader meaning than soursop:

soursop: small tropical American tree bearing large succulent slightly acid fruit
custard apple: any of several tropical American trees bearing fruit with soft edible pulp

Other hypernyms of soursop include custard apple tree.

soursop (noun)	custard apple (noun)
large spiny tropical fruit with tart pulp related to custard apples	the fruit of any of several tropical American trees of the genus Annona having soft edible pulp
small tropical American tree bearing large succulent slightly acid fruit	any of several tropical American trees bearing fruit with soft edible pulp