five-finger exercise vs pushover

five-finger exercise

noun
  • An activity which is undertaken for the purpose of skill development. 

  • A musical composition for the piano, designed to require the use of all the fingers of the hand for the purpose of skill development. 

pushover

noun
  • Something that is easy to do or accomplish; an easy task. 

  • Someone who is easily swayed or influenced to change his/her mind or comply. 

  • Someone who lets him/herself be picked or bullied on without defending or standing up for him/herself. 

How often have the words five-finger exercise and pushover occurred in a corpus of books? (source: Google Ngram Viewer )