trainer vs tutor

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. 

tutor

noun
  • One who teaches another (usually called a student, learner, or tutee) in a one-on-one or small-group interaction. 

  • A card that allows one to search one's deck for one or more other cards. 

  • A university officer responsible for students in a particular hall. 

verb
  • To fetch a card from one's deck. 

  • To instruct or teach, especially an individual or small group. 

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