advertise vs buy

advertise

verb
  • To provide information about a person or goods and services to influence others. 

  • To give (especially public) notice of (something); to announce publicly. 

  • To provide public information about (a product, service etc.) in order to attract public awareness and increase sales. 

  • In gin rummy, to discard a card of one's preferred suit so as to mislead the opponent into thinking you do not want it. 

buy

verb
  • To make a purchase or purchases, to treat (for a drink, meal or gift) 

  • To make a bluff, usually a large one. 

  • To bribe. 

  • To be equivalent to in value. 

  • To obtain (something) in exchange for money or goods. 

  • To obtain, especially by some sacrifice. 

  • to accept as true; to believe 

noun
  • Something which is bought; a purchase. 

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