coach vs teacher

coach

noun
  • A trainer or instructor. 

  • A wheeled vehicle, generally drawn by horse power. 

  • The part of a commercial passenger airplane or train reserved for those paying the lower standard fares; the economy section. 

  • The lower-fare service whose passengers sit in this part of the airplane or train; economy class. 

  • The forward part of the cabin space under the poop deck of a sailing ship; the fore-cabin under the quarter deck. 

  • A long-distance, or privately hired, bus. 

  • A passenger car, either drawn by a locomotive or part of a multiple unit. 

verb
  • To instruct; to train. 

  • To train. 

  • To travel in a coach (sometimes coach it). 

  • To convey in a coach. 

  • To study under a tutor. 

adv
  • Via the part of a commercial passenger airplane or train reserved for those paying the lower standard fares; via the economy section. 

teacher

noun
  • A person who teaches, especially one employed in a school. 

  • The index finger; the forefinger. 

  • An indication; a lesson. 

  • The second highest office in the Aaronic priesthood, held by priesthood holders of at least the age of 14. 

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