schoolmaster vs trainer

schoolmaster

noun
  • Male teacher in charge of a school, usually a small one. 

  • Anything that teaches. 

  • A male teacher. 

verb
  • To teach in the capacity of schoolmaster. 

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