ignore vs ruminate

ignore

verb
  • To deliberately not listen or pay attention to. 

  • To pretend to not notice someone or something. 

ruminate

adj
  • Having a hard albumen penetrated by irregular channels filled with softer matter, as the nutmeg and the seeds of the North American papaw. 

verb
  • To meditate or reflect. 

  • To meditate or ponder over; to muse on. 

  • To chew cud. (Said of ruminants.) Involves regurgitating partially digested food from the rumen. 

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