inspection vs rumination

inspection

noun
  • The act of examining something, often closely. 

  • An organization that checks that certain laws or rules are obeyed. 

rumination

noun
  • Deep thought or consideration. 

  • The act of ruminating; i.e. chewing cud. 

  • Negative cyclic thinking; persistent and recurrent worrying or brooding. 

  • An eating disorder characterized by repetitive regurgitation of small amounts of food from the stomach. 

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