Acanthocereus pentagonus vs pitahaya cactus

Acanthocereus pentagonus and pitahaya cactus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Acanthocereus pentagonus	Yes	No	No	No
pitahaya cactus	Yes	No	No	No

As nouns, Acanthocereus pentagonus and pitahaya cactus are synonyms defined as:

Acanthocereus pentagonus and pitahaya cactus: cactus of the southwestern United States and northern Mexico having edible juicy fruit

Other synonyms of Acanthocereus pentagonus include Acanthocereus tetragonus, pitahaya.

Acanthocereus pentagonus (noun)	pitahaya cactus (noun)
cactus of the southwestern United States and northern Mexico having edible juicy fruit	cactus of the southwestern United States and northern Mexico having edible juicy fruit