cheer vs weaken

cheer

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

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

  • To feel or express enthusiasm for (something). 

  • To applaud or encourage with cheers or shouts. 

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. 

weaken

verb
  • To make weaker or less strong. 

  • To become weaker or less strong. 

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