knock vs ram

knock

noun
  • An abrupt rapping sound, as from an impact of a hard object against wood. 

  • A sharp impact. 

  • A batsman's innings. 

  • A blow or setback. 

  • Preignition, a type of abnormal combustion occurring in spark ignition engines caused by self-ignition; also, the characteristic knocking sound associated with it. 

  • Synonym of hunger knock 

  • A criticism. 

verb
  • To criticize verbally; to denigrate; to undervalue. 

  • To kick a ball towards another player; to pass. 

  • To rap one's knuckles against something, especially wood. 

ram

noun
  • An act of ramming. 

  • A piston powered by hydraulic pressure. 

  • A weight which strikes a blow, in a ramming device such as a pile driver, steam hammer, or stamp mill. 

  • A reinforced section of the bow of a warship, intended to be used for ramming other ships. 

  • A battering ram; a heavy object used for breaking through doors. 

  • A male sheep, typically uncastrated. 

  • A warship intended to sink other ships by ramming them. 

verb
  • To thrust during sexual intercourse. 

  • To fill or compact by pounding or driving. 

  • To strike (something) hard, especially with an implement. 

  • To collide with (an object), usually with the intention of damaging it or disabling its function. 

  • To seat a cartridge, projectile, or propellant charge in the breech of a firearm by pushing or striking. 

adj
  • Rancid; offensive in smell or taste. 

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