suppress vs warn

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. 

warn

verb
  • To caution or admonish (someone) against unwise or unacceptable behaviour. 

  • To notify or inform (someone, about something). 

  • To give warning. 

  • To summon (someone) to or inform of a formal meeting or duty. 

  • To advise or order to go or stay away. 

  • To make (someone) aware of impending danger, evil, etc. 

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