Publius Cornelius Tacitus vs Tacitus

Publius Cornelius Tacitus and Tacitus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Publius Cornelius Tacitus	Yes	No	No	No
Tacitus	Yes	No	No	No

As nouns, Publius Cornelius Tacitus and Tacitus are synonyms defined as:

Publius Cornelius Tacitus and Tacitus: Roman historian who wrote major works on the history of the Roman Empire (56-120)

Other synonyms of Publius Cornelius Tacitus include Gaius Cornelius Tacitus.

Publius Cornelius Tacitus (noun)	Tacitus (noun)
Roman historian who wrote major works on the history of the Roman Empire (56-120)	Roman historian who wrote major works on the history of the Roman Empire (56-120)