groomsman vs tutor

groomsman

noun
  • A man who serves as one of a number of attendants to a bridegroom at a wedding, one of whom is the best man. 

tutor

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

  • 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. 

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

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

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