Acanthocereus tetragonus vs Acanthocereus pentagonus

Acanthocereus tetragonus and Acanthocereus pentagonus both are nouns.

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

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

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

Other synonyms of Acanthocereus tetragonus include pitahaya, pitahaya cactus.

Acanthocereus tetragonus (noun)	Acanthocereus pentagonus (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