pitahaya vs Acanthocereus tetragonus

pitahaya and Acanthocereus tetragonus both are nouns.

Word	Noun	Adjective	Verb	Adverb
pitahaya	Yes	No	No	No
Acanthocereus tetragonus	Yes	No	No	No

As nouns, pitahaya and Acanthocereus tetragonus are synonyms defined as:

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

Other synonyms of pitahaya include Acanthocereus pentagonus, pitahaya cactus.

pitahaya (noun)	Acanthocereus tetragonus (noun)
highly colored edible fruit of pitahaya cactus having bright red juice; often as large as a peach	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