Republic of Guinea-Bissau vs Guinea-Bissau

Republic of Guinea-Bissau and Guinea-Bissau both are nouns.

Word	Noun	Adjective	Verb	Adverb
Republic of Guinea-Bissau	Yes	No	No	No
Guinea-Bissau	Yes	No	No	No

As nouns, Republic of Guinea-Bissau and Guinea-Bissau are synonyms defined as:

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

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

Republic of Guinea-Bissau (noun)	Guinea-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