lector vs trainer

lector

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

  • 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. 

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

trainer

noun
  • A person who trains another; a coach. 

  • A person responsible for treating injuries sustained by players during matches; a physiotherapist. 

  • A patch for a video game that applies cheats. 

  • A running shoe or sneaker. 

  • A piece of indoor equipment allowing a bicycle to be ridden while stationary. 

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