caution vs laugh

caution

noun
  • Prudence when faced with, or when expecting to face, danger; care taken in order to avoid risk or harm. 

  • A formal warning given as an alternative to prosecution in minor cases. 

  • Security; guaranty; bail. 

  • A yellow card. 

  • A careful attention to the probable effects of an act, in order that failure or harm may be avoided. 

verb
  • To warn; to alert, advise that caution is warranted. 

  • To give a yellow card 

laugh

noun
  • Something that provokes mirth or scorn. 

  • A fun person. 

  • An expression of mirth particular to the human species; the sound heard in laughing; laughter. 

verb
  • To show mirth, satisfaction, or derision, by peculiar movement of the muscles of the face, particularly of the mouth, causing a lighting up of the face and eyes, and usually accompanied by the emission of explosive or chuckling sounds from the chest and throat; to indulge in laughter. 

  • To express by, or utter with, laughter. 

  • To make an object of laughter or ridicule; to make fun of; to deride; to mock. 

  • To affect or influence by means of laughter or ridicule. 

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