pedagogue vs trainer

pedagogue

noun
  • A teacher or instructor of children; one whose occupation is to teach the young. 

  • A pedant; one who by teaching has become overly formal or pedantic in his or her ways; one who has the manner of a teacher. 

  • A slave who led the master's children to school, and had the charge of them generally. 

verb
  • To teach. 

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 pedagogue and trainer occurred in a corpus of books? (source: Google Ngram Viewer )