motivation vs self-control

motivation

noun
  • Willingness of action especially in behavior. 

  • Something which motivates. 

  • A research rating that measures how the rational and emotional elements of a commercial affect consumer intention to consider, visit, or buy something. 

  • The action of motivating. 

  • An incentive or reason for doing something. 

self-control

noun
  • The ability to control one's desires and impulses; willpower. 

verb
  • To control oneself or itself. 

How often have the words motivation and self-control occurred in a corpus of books? (source: Google Ngram Viewer )