lector vs publisher's reader

lector

noun
  • A public lecturer or reader at some universities. 

  • A person doing voice-over translation of foreign films, especially in Eastern European countries. 

  • A lay person who reads aloud certain religious texts in a church service. 

  • A person who reads aloud to workers to entertain them, appointed by a trade union. 

verb
  • To do a voice-over translation of a film. 

publisher's reader

noun
  • Synonym of reader (sense 5: a person employed by a publisher to read works submitted for publication and determine their merits). 

How often have the words lector and publisher's reader occurred in a corpus of books? (source: Google Ngram Viewer )