conceive vs have opinion

conceive

verb
  • To develop an idea; to form in the mind; to plan; to devise; to originate. 

  • To understand (someone). 

  • To generate or engender; to bring into being. 

  • To become pregnant (with). 

have opinion

verb
  • to think; to have or hold as an opinion 

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