goat's foot vs Oxalis caprina

goat's foot and Oxalis caprina both are nouns.

Word	Noun	Adjective	Verb	Adverb
goat's foot	Yes	No	No	No
Oxalis caprina	Yes	No	No	No

As nouns, goat's foot and Oxalis caprina are synonyms defined as:

goat's foot and Oxalis caprina: short-stemmed South African plant with bluish flowers

Other synonyms of goat's foot include goatsfoot.

goat's foot (noun)	Oxalis caprina (noun)
short-stemmed South African plant with bluish flowers	short-stemmed South African plant with bluish flowers