goat's foot vs goatsfoot

goat's foot and goatsfoot both are nouns.

Word	Noun	Adjective	Verb	Adverb
goat's foot	Yes	No	No	No
goatsfoot	Yes	No	No	No

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

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

Other synonyms of goat's foot include Oxalis caprina.

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