salary vs wage

salary

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. 

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

wage

noun
  • An amount of money paid to a worker for a specified quantity of work, usually calculated on an hourly basis and expressed in an amount of money per hour. 

verb
  • To conduct or carry out (a war or other contest). 

  • To adventure, or lay out, for hire or reward; to hire out. 

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