Portuguese Guinea vs Guine-Bissau

Portuguese Guinea and Guine-Bissau both are nouns.

Word	Noun	Adjective	Verb	Adverb
Portuguese Guinea	Yes	No	No	No
Guine-Bissau	Yes	No	No	No

As nouns, Portuguese Guinea and Guine-Bissau are synonyms defined as:

Portuguese Guinea and Guine-Bissau: a republic on the northwestern coast of Africa; recognized as independent by Portugal in 1974

Other synonyms of Portuguese Guinea include Guinea-Bissau, Republic of Guinea-Bissau.

Portuguese Guinea (noun)	Guine-Bissau (noun)
a republic on the northwestern coast of Africa; recognized as independent by Portugal in 1974	a republic on the northwestern coast of Africa; recognized as independent by Portugal in 1974