reward vs salary

reward

verb
  • To give a reward to or for. 

  • To recompense. 

noun
  • Something of value given in return for an act. 

  • A prize promised for a certain deed or catch 

  • The result of an action, whether good or bad. 

salary

verb
  • To pay on the basis of a period of a week or longer, especially to convert from another form of compensation. 

noun
  • A fixed amount of money paid to a worker, usually calculated on a monthly or annual basis, not hourly, as wages. Implies a degree of professionalism and/or autonomy. 

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