income vs profit

income

noun
  • Money coming in to a fund, account, or policy. 

  • Money one earns by working or by capitalising on the work of others. 

  • A disease or ailment without known or apparent cause, as distinguished from one induced by accident or contagion; an oncome. 

  • That which is taken into the body as food; the ingesta; sometimes restricted to the nutritive, or digestible, portion of the food. 

profit

noun
  • Total income or cash flow minus expenditures. The money or other benefit a non-governmental organization or individual receives in exchange for products and services sold at an advertised price. 

verb
  • To benefit (somebody), be of use to (somebody). 

  • To take advantage of, exploit, use. 

  • To benefit, gain. 

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