oca vs Oxalis crenata

oca and Oxalis crenata both are nouns.

Word	Noun	Adjective	Verb	Adverb
oca	Yes	No	No	No
Oxalis crenata	Yes	No	No	No

As nouns, oca and Oxalis crenata are synonyms defined as:

oca and Oxalis crenata: South American wood sorrel cultivated for its edible tubers

Other synonyms of oca include oka, Oxalis tuberosa.

oca (noun)	Oxalis crenata (noun)
South American wood sorrel cultivated for its edible tubers	South American wood sorrel cultivated for its edible tubers