earl vs patrician

earl

noun
  • A British or Irish nobleman next in rank above a viscount and below a marquess; equivalent to a European count. A female using the style is termed a countess. 

  • Any of various nymphalid butterflies of the genus Tanaecia. Other butterflies in this genus are called counts and viscounts. 

patrician

noun
  • A person of high birth; a nobleman. 

  • A member of any of the families constituting the populus Romanus, or body of Roman citizens, before the development of the plebeian order; later, one who, by right of birth or by special privilege conferred, belonged to the senior class of Romans, who, with certain property, had by right a seat in the Roman Senate. 

  • One familiar with the works of the Christian Fathers; one versed in patristic lore or life. 

adj
  • Of or pertaining to the Roman patres ("fathers") or senators, or patricians. 

  • Of, or pertaining to a person of high birth; noble; not plebeian; aristocratic. 

  • Characteristic of or appropriate to a person of high birth; classy. 

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