pitahaya vs Acanthocereus pentagonus

pitahaya and Acanthocereus pentagonus both are nouns.

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

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

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

Other synonyms of pitahaya include Acanthocereus tetragonus, pitahaya cactus.

pitahaya (noun)	Acanthocereus pentagonus (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