epithet vs nomen

epithet

noun
  • A term used as a qualifier of the name of a deity in order to designate said deity in a particular aspect or role. 

  • A word in the scientific name of a taxon following the name of the genus or species. This applies only to formal names of plants, fungi and bacteria. In formal names of animals the corresponding term is the specific name. 

  • One of many formulaic words or phrases used in the Iliad and Odyssey to characterize a person, a group of people, or a thing. 

  • A term used to characterize a person or thing. 

  • A term used as a descriptive substitute for the name or title of a person. 

  • An abusive or contemptuous word or phrase. 

verb
  • To term; to refer to as. 

nomen

noun
  • The birth name of a pharaoh, the fifth of the five names of the royal titulary, traditionally encircled by a cartouche and preceded by the title zꜣ-rꜥ. 

  • The name of a citizen of Ancient Rome, designating them as a member of a gens. 

How often have the words epithet and nomen occurred in a corpus of books? (source: Google Ngram Viewer )