Francis Ferdinand vs Franz Ferdinand

Francis Ferdinand and Franz Ferdinand both are nouns.

Word	Noun	Adjective	Verb	Adverb
Francis Ferdinand	Yes	No	No	No
Franz Ferdinand	Yes	No	No	No

As nouns, Francis Ferdinand and Franz Ferdinand are synonyms defined as:

Francis Ferdinand and Franz Ferdinand: archduke of Austria and heir apparent to Francis Joseph I; his assassination at Sarajevo triggered the outbreak of World War I (1863-1914)

Other synonyms of Francis Ferdinand include Archduke Franz Ferdinand of Austria.

Francis Ferdinand (noun)	Franz Ferdinand (noun)
archduke of Austria and heir apparent to Francis Joseph I; his assassination at Sarajevo triggered the outbreak of World War I (1863-1914)	archduke of Austria and heir apparent to Francis Joseph I; his assassination at Sarajevo triggered the outbreak of World War I (1863-1914)