pension vs retire

pension

verb
  • To force (someone) to retire on a pension. 

  • To grant a pension to. 

noun
  • An annuity paid regularly as benefit due to a retired employee, serviceman etc. in consideration of past services, originally and chiefly by a government but also by various private pension schemes. 

  • A sum paid to a clergyman in place of tithes. 

  • A boarding house or small hotel, especially in continental Europe, which typically offers lodging and certain meals and services. 

  • A regular allowance paid to support a royal favourite, or as patronage of an artist or scholar. 

retire

verb
  • To cause to retire; specifically, to designate as no longer qualified for active service; to place on the retired list. 

  • To stop working on a permanent basis, usually because of old age or illness. 

  • To cease use or production of something. 

  • To go back or return; to withdraw or retreat, especially from public view; to go into privacy. 

  • To fit (a vehicle) with new tires. 

  • To recede; to fall or bend back. 

  • To go to bed. 

  • To withdraw; to take away. 

  • To voluntarily stop batting before being dismissed so that the next batsman can bat. 

  • To retreat from action or danger; to withdraw for safety or pleasure. 

  • To withdraw from circulation, or from the market; to take up and pay. 

  • To make a play which results in a runner or the batter being out, either by means of a put out, fly out or strikeout. 

noun
  • The act of retiring, or the state of being retired. 

  • A place to which one retires. 

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