alarm vs courage

alarm

verb
  • To give (someone) notice of approaching danger 

  • To rouse to vigilance and action; to put on the alert. 

  • To surprise with apprehension of danger; to fill with anxiety in regard to threatening evil; to excite with sudden fear. 

  • To call to arms for defense 

  • To keep in excitement; to disturb. 

noun
  • An instance of an alarm ringing, beeping or clanging, to give a noise signal at a certain time. 

  • A mechanical device for awaking people, or rousing their attention. 

  • A sudden attack; disturbance. 

  • Any sound or information intended to give notice of approaching danger; a warning sound to arouse attention; a warning of danger. 

  • A summons to arms, as on the approach of an enemy. 

  • Sudden surprise with fear or terror excited by apprehension of danger; in the military use, commonly, sudden apprehension of being attacked by surprise. 

courage

noun
  • The ability to overcome one's fear, do or live things which one finds frightening. 

  • The ability to maintain one's will or intent despite either the experience of fear, frailty, or frustration; or the occurrence of adversity, difficulty, defeat or reversal. Moral fortitude. 

  • The quality of being confident, not afraid or easily intimidated, but without being incautious or inconsiderate. 

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