cheer vs laughter

cheer

noun
  • A cry expressing joy, approval or support, such as "hurrah". 

  • That which promotes good spirits or cheerfulness, especially food and entertainment prepared for a festive occasion. 

  • A cheerful attitude; happiness; a good, happy, or positive mood. 

  • A chant made in support of a team at a sports event. 

  • Cheerleading, especially when practiced as a competitive sport. 

verb
  • To gladden; to make cheerful; often with up. 

  • To infuse life, courage, animation, or hope, into; to inspirit; to solace or comfort. 

  • To feel or express enthusiasm for (something). 

  • To applaud or encourage with cheers or shouts. 

laughter

noun
  • A movement (usually involuntary) of the muscles of the laughing face, particularly of the lips, and of the whole body, with a peculiar expression of the eyes, indicating merriment, satisfaction or derision, and usually attended by a sonorous and interrupted expulsion of air from the lungs. 

  • The sound of laughing, produced by air so expelled; any similar sound. 

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