rouse vs trigger

rouse

verb
  • To cause, stir up, excite (a feeling, thought, etc.). 

  • To wake (someone) or be awoken from sleep, or from apathy. 

  • To provoke (someone) to action or anger. 

  • To cause to start from a covert or lurking place. 

  • To pull by main strength; to haul. 

  • To tell off; to criticise. 

noun
  • An arousal. 

  • The sounding of a bugle in the morning after reveille, to signal that soldiers are to rise from bed, often the rouse. 

  • A carousal; a festival; a drinking frolic. 

  • An official ceremony over drinks. 

  • Wine or other liquor considered an inducement to mirth or drunkenness; a full glass; a bumper. 

trigger

verb
  • To spark a response, especially a negative emotional response, in (someone). 

  • To fire a weapon. 

  • To initiate something. 

  • To activate; to become active. 

noun
  • An electronic transducer allowing a drum, cymbal, etc. to control an electronic drum unit or similar device. 

  • An event, experience or other stimulus that initiates a traumatic memory or a strong reaction in a person. 

  • An SQL procedure that may be initiated when a record is inserted, updated or deleted; typically used to maintain referential integrity. 

  • A concept or image that upsets somebody by sparking a negative emotional response. 

  • A similar device used to activate any mechanism. 

  • An event that initiates others, or incites a response. 

  • A pulse in an electronic circuit that initiates some component. 

  • A text string that, when received by a player, will cause the player to execute a certain command. 

  • A device that manually lengthens (or sometimes shortens) the slide or tubing of a brass instrument, allowing the pitch range to be altered while playing. 

  • A finger-operated lever used to fire a gun. 

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