churning vs wiping

churning

noun
  • The act by which something is churned. 

  • The quantity of butter prepared (by churning) at one time. 

wiping

noun
  • The act by which something is wiped. 

  • Material wiped off something. 

  • A thrashing. 

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