decline vs spill

decline

noun
  • Downward movement, fall. 

  • A weakening. 

  • A reduction or diminution of activity. 

  • The act of declining or refusing something. 

  • A sloping downward, e.g. of a hill or road. 

verb
  • To choose not to do something; refuse, forbear, refrain. 

  • To run through from first to last; to recite in order as though declining a noun. 

  • To cause to decrease or diminish. 

  • To bend downward; to bring down; to depress; to cause to bend, or fall. 

  • To turn or bend aside; to deviate; to stray; to withdraw. 

  • To move downwards, to fall, to drop. 

  • To inflect for case, number, gender, and the like. 

  • To reject a penalty against the opposing team, usually because the result of accepting it would benefit the non-penalized team less than the preceding play. 

  • To become weaker or worse. 

  • To recite all the different declined forms of (a word). 

spill

noun
  • A fall or stumble. 

  • A metallic rod or pin. 

  • One of the thick laths or poles driven horizontally ahead of the main timbering in advancing a level in loose ground. 

  • A small stick or piece of paper used to light a candle, cigarette etc by the transfer of a flame from a fire. 

  • A peg or pin for plugging a hole, as in a cask; a spile. 

  • A declaration that the leadership of a parliamentary party is vacant, and open for re-election. Short form of leadership spill. 

  • A mess of something that has been dropped. 

  • The situation where sound is picked up by a microphone from a source other than that which is intended. 

verb
  • To mar; to damage; to destroy by misuse; to waste. 

  • To drop something that was intended to be caught. 

  • To open the leadership of a parliamentary party for re-election. 

  • To reveal information to an uninformed party. 

  • To cover or decorate with slender pieces of wood, metal, ivory, etc.; to inlay. 

  • To relieve a sail from the pressure of the wind, so that it can be more easily reefed or furled, or to lessen the strain. 

  • To come undone. 

  • To spread out or fall out, as above. 

  • To cause to flow out and be lost or wasted; to shed. 

  • To drop something so that it spreads out or makes a mess; to accidentally pour. 

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