keen vs laugh

keen

verb
  • To utter with a loud wailing voice or wordless cry. 

  • To mourn. 

  • To make cold, to sharpen. 

  • To utter a keen. 

noun
  • A prolonged wail for a deceased person. 

adj
  • Often with a prepositional phrase, or with to and an infinitive: showing a quick and ardent responsiveness or willingness; eager, enthusiastic, interested. 

  • Acute of mind, having or expressing mental acuteness; penetrating, sharp. 

  • Having a fine edge or point; sharp. 

  • Of cold, wind, etc.: cutting, penetrating, piercing, sharp. 

  • Of prices, extremely low as to be competitive. 

  • Acrimonious, bitter, piercing. 

  • Fierce, intense, vehement. 

laugh

verb
  • To express by, or utter with, laughter. 

  • 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 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. 

noun
  • A fun person. 

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

  • Something that provokes mirth or scorn. 

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