dump vs unload

dump

verb
  • To discard; to get rid of something one no longer wants. 

  • To sell below cost or very cheaply; to engage in dumping. 

  • To precipitate (especially snow) heavily. 

  • To put or throw down with more or less of violence; hence, to unload from a cart by tilting it 

  • To release, especially in large quantities and chaotic manner. 

  • To output the contents of storage or a data structure, often in order to diagnose a bug. 

  • Of a surf wave, to crash a swimmer, surfer, etc., heavily downwards. 

  • To end a romantic relationship with. 

  • To copy (data) from a system to another place or system, usually in order to archive it. 

noun
  • An act of defecation; a defecating. 

  • A place where waste or garbage is left; a ground or place for dumping ashes, refuse, etc.; a disposal site. 

  • An act of dumping, or its result. 

  • That which is dumped, especially in a chaotic way; a mess. 

  • An unpleasant, dirty, disreputable, unfashionable, boring, or depressing looking place. 

  • Absence of mind; reverie. 

  • A car or boat for dumping refuse, etc. 

  • A pile of ore or rock. 

  • A temporary display case that holds many copies of an item being sold. 

  • A deep hole in a river bed; a pool. 

  • A small coin made by punching a hole in a larger coin (called a holey dollar). 

  • A sad, gloomy state of the mind; sadness; melancholy; despondency. 

  • A storage place for supplies, especially military. 

  • A formatted listing of the contents of program storage, especially when produced automatically by a failing program. 

unload

verb
  • To get rid of or dispose of. 

  • To reduce the vertical load factor on (an airplane's wing or other lifting surface), typically by pitching downwards toward the ground to decrease angle of attack and reduce the amount of lift generated. 

  • To remove (the load or cargo) from a vehicle, etc. 

  • To deposit one's load or cargo. 

  • To give vent to or express; to unburden oneself of. 

  • To discharge, pour, or expel. 

  • To remove the load or cargo from (a vehicle, etc.). 

  • To remove the charge from. 

  • To deliver forcefully. 

  • To ejaculate, particularly within an orifice. 

  • To remove (something previously loaded) from memory. 

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