Acanthocereus pentagonus vs Acanthocereus tetragonus

Acanthocereus pentagonus and Acanthocereus tetragonus both are nouns.

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

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

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

Other synonyms of Acanthocereus pentagonus include pitahaya, pitahaya cactus.

Acanthocereus pentagonus (noun)	Acanthocereus tetragonus (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