activate vs suppress

activate

verb
  • To render more reactive; excite. 

  • To organize or create a military unit or station. 

  • To bring a player back after an injury. 

  • To put a device, mechanism (alarm etc.) or system into action or motion; to trigger, to actuate, to set off, to enable. 

  • To render a substance radioactive. 

  • To hasten a chemical reaction, especially by heating. 

  • To remove the limitations of demoware by providing a license; to unlock. 

  • To render a molecule reactive, active, or effective in performing its function. 

  • To encourage development or induce increased activity; to stimulate. 

  • To aerate in order to aid decomposition of organic matter. 

suppress

verb
  • To restrain or repress, such as laughter or an expression. 

  • To forbid the use of evidence at trial because it is improper or was improperly obtained. 

  • To put an end to, especially with force, to crush, do away with; to prohibit, subdue. 

  • To prevent publication. 

  • To stop or prevent the enemy from executing unwanted activities like firing, regrouping, observation or others. 

  • To exclude undesirable thoughts from one's mind. 

  • To stop a flow or stream. 

  • To reduce unwanted frequencies in a signal. 

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