dragoman vs exegete

dragoman

noun
  • An interpreter, especially for the Arabic and Turkish languages. 

exegete

noun
  • A person skilled in exegesis; an interpreter of texts, difficult passages, signs, law, the words of an oracle, and similar obscure or esoteric sources. 

verb
  • To interpret; to perform an exegesis. 

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