onomastically

/ˌɑnəˈmæstɪkli/
adverb
  1. In a way that relates to the study of names or the process of naming.
    • She analyzed the characters onomastically, focusing on the meaning of their names.
    • The town was onomastically linked to an ancient river god.
    • Onomastically, the surname 'Smith' is one of the most common in English.