Suisse vs Svizzera

Suisse and Svizzera both are nouns.

Word	Noun	Adjective	Verb	Adverb
Suisse	Yes	No	No	No
Svizzera	Yes	No	No	No

As nouns, Suisse and Svizzera are synonyms defined as:

Other synonyms of Suisse include Schweiz, Swiss Confederation, Switzerland.

Suisse (noun)	Svizzera (noun)
a landlocked federal republic in central Europe	a landlocked federal republic in central Europe