plonk vs unload

plonk

verb
  • To set or toss (something) down carelessly. 

  • To sit down heavily and without ceremony. 

  • To automatically ignore a particular poster. 

intj
  • The sound made by something solid landing. 

  • The supposed sound of adding a user to one's killfile. 

noun
  • Cheap or inferior everyday wine. 

  • AC Plonk 

  • A female police constable. 

  • The sound of something solid landing. 

adv
  • Precisely and forcefully. 

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 plonk and unload occurred in a corpus of books? (source: Google Ngram Viewer )