How would you use cognomen in a sentence?

Here are a few ways to use "cognomen" in a sentence:

* Formal: "Though known by his cognomen 'The Great,' Alexander's true name was Alexander III."

* Historical: "The Roman general, known by his cognomen 'Pompey,' was renowned for his military victories."

* Literary: "The author chose to use a pseudonym, a kind of literary cognomen, to protect their identity."

* Figurative: "His kindness and generosity earned him the cognomen 'The Good Samaritan' within the community."

Note: "Cognomen" is a relatively formal word. It's best used in writing or speech when you want to sound sophisticated or when discussing historical figures.