coaching vs indoctrination

coaching

noun
  • The process by which someone is coached or tutored; instruction. 

  • The operation of horse-drawn coaches, especially as a business. 

  • Relating to horse-drawn stagecoaches, also to railway carriages (or coaches). 

indoctrination

noun
  • Instruction in the rudiments and principles of any science or belief system; information. 

  • The act of indoctrinating, or the condition of being indoctrinated 

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