responsibility vs whimsicality

responsibility

noun
  • A duty, obligation or liability for which someone is held accountable. 

  • The state of being responsible, accountable, or answerable. 

  • The obligation to carry forward an assigned task to a successful conclusion. With responsibility goes authority to direct and take the necessary action to ensure success. 

  • The obligation for the proper custody, care, and safekeeping of property or funds entrusted to the possession or supervision of an individual. 

  • The state of being liable, culpable, or responsible for something in particular. 

whimsicality

noun
  • something whimsical; a caprice. 

  • the state of being whimsical. 

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