advertise vs boast

advertise

verb
  • 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. 

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

boast

verb
  • To brag; to talk loudly in praise of oneself. 

  • To speak of with pride, vanity, or exultation, with a view to self-commendation; to extol. 

  • To play a boast shot. 

  • To dress, as a stone, with a broad chisel. 

  • To possess something special (e.g. as a feature). 

  • To shape roughly as a preparation for the finer work to follow; to cut to the general form required. 

noun
  • A shot where the ball is driven off a side wall and then strikes the front wall. 

  • A brag; ostentatious positive appraisal of oneself. 

  • Something that one brags about. 

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