Switzerland vs Swiss Confederation

Switzerland and Swiss Confederation both are nouns.

Word	Noun	Adjective	Verb	Adverb
Switzerland	Yes	No	No	No
Swiss Confederation	Yes	No	No	No

As nouns, Switzerland and Swiss Confederation are synonyms defined as:

Switzerland and Swiss Confederation: a landlocked federal republic in central Europe

Other synonyms of Switzerland include Schweiz, Suisse, Svizzera.

Switzerland (noun)	Swiss Confederation (noun)
a landlocked federal republic in central Europe	a landlocked federal republic in central Europe