offer vs sell

offer

noun
  • A proposal that has been made. 

  • An invitation to enter into a binding contract communicated to another party which contains terms sufficiently definite to create an enforceable contract if the other party accepts the invitation. 

  • Something put forth, bid, proffered or tendered. 

verb
  • To present in words; to proffer; to make a proposal of; to suggest. 

  • To put in opposition to; to manifest in an offensive way; to threaten. 

  • To happen, to present itself. 

  • To place at someone’s disposal; to present (something) to be either accepted or turned down. 

  • To place (something) in a position where it can be added to an existing mechanical assembly. 

  • To propose or express one's willingness (to do something). 

  • To present (something) to God or gods as a gesture of worship, or for a sacrifice. 

  • To bid, as a price, reward, or wages. 

sell

noun
  • The promotion of an idea for acceptance. 

  • An act of selling; sale. 

  • An easy task. 

verb
  • To be sold. 

  • To promote a particular viewpoint. 

  • To work as a prostitute. 

  • To betray for money or other things. 

  • To promote a product or service. 

  • To pretend that an opponent's blows or maneuvers are causing legitimate injury; to act. 

  • To trick, cheat, or manipulate someone. 

  • To transfer goods or provide services in exchange for money. 

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