guinea vs guinea fowl

guinea and guinea fowl both are nouns.

Word	Noun	Adjective	Verb	Adverb
guinea	Yes	No	No	No
guinea fowl	Yes	No	No	No

As nouns, guinea and guinea fowl are synonyms defined as:

guinea and guinea fowl: a west African bird having dark plumage mottled with white; native to Africa but raised for food in many parts of the world

Other synonyms of guinea include Numida meleagris.

guinea (noun)	guinea fowl (noun)
a west African bird having dark plumage mottled with white; native to Africa but raised for food in many parts of the world	a west African bird having dark plumage mottled with white; native to Africa but raised for food in many parts of the world
a former British gold coin worth 21 shillings