coaching vs rearing

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). 

rearing

noun
  • Act of raising young. 

  • We studied blowfly rearings in various environmental conditions. 

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