intellectualize vs mull over

intellectualize

verb
  • To treat in an intellectual manner; to discuss or express intellectually. 

  • To find a seemingly rational explanation for something. 

  • To endow with intellect; to bestow intellectual qualities upon; to cause to become intellectual. 

  • To use (excessive) reasoning and rationalization to block out emotional stress and anxiety associated with painful or traumatic experiences. 

mull over

verb
  • To think deeply about something; to ponder, deliberate or ruminate. 

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