Sir Charles William Siemens vs Siemens

Sir Charles William Siemens and Siemens both are nouns.

Word	Noun	Adjective	Verb	Adverb
Sir Charles William Siemens	Yes	No	No	No
Siemens	Yes	No	No	No

As nouns, Sir Charles William Siemens and Siemens are synonyms defined as:

Sir Charles William Siemens and Siemens: engineer who was a brother of Ernst Werner von Siemens and who moved to England (1823-1883)

Other synonyms of Sir Charles William Siemens include Carl Wilhelm Siemens, Karl Wilhelm Siemens.

Sir Charles William Siemens (noun)	Siemens (noun)
engineer who was a brother of Ernst Werner von Siemens and who moved to England (1823-1883)	German electrical engineer (1816-1892)
	engineer who was a brother of Ernst Werner von Siemens and who moved to England (1823-1883)