goatsfoot vs goat's foot

goatsfoot and goat's foot both are nouns.

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

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

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

Other synonyms of goatsfoot include Oxalis caprina.

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