self-flagellation vs whipping

self-flagellation

noun
  • The practice of whipping oneself as penance for sins. 

  • Intense feelings of guilt. 

whipping

noun
  • The punishment of being whipped. 

  • A heavy defeat; a thrashing. 

  • A cooking technique in which air is incorporated into cream etc. 

  • The lashing of the end of a rope. (FM 55-501). 

  • A cord or thread used to lash or bind something. 

  • The sewing of the edges of single leaves in sections by overcasting the thread. 

How often have the words self-flagellation and whipping occurred in a corpus of books? (source: Google Ngram Viewer )