alert vs smart

alert

verb
  • To give warning to. 

adj
  • Attentive; awake; on guard. 

noun
  • An alarm. 

  • A state of readiness for potential combat. 

  • A notification of higher importance than an advisory. 

smart

verb
  • To cause a smart or sting in. 

  • To feel a pungent pain of mind; to feel sharp pain or grief; be punished severely; to feel the sting of evil. 

  • To hurt or sting. 

noun
  • Smart-money. 

  • Mental pain or suffering; grief; affliction. 

  • A sharp, quick, lively pain; a sting. 

adj
  • Equipped with intelligent behaviour (digital/computer technology). 

  • Good-looking; well dressed; fine; fashionable. 

  • Cleverly shrewd and humorous in a way that may be rude and disrespectful. 

  • Sharp; keen; poignant. 

  • Exhibiting intellectual knowledge, such as that found in books. 

  • Sudden and intense. 

  • Exhibiting social ability or cleverness. 

  • Causing sharp pain; stinging. 

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