examine vs pay no heed

examine

verb
  • to interrogate 

  • to determine the aptitude, skills or qualifications of someone by subjecting them to an examination 

  • to observe or inspect carefully or critically 

  • to check the health or condition of something or someone 

pay no heed

verb
  • To ignore, to disregard. 

How often have the words examine and pay no heed occurred in a corpus of books? (source: Google Ngram Viewer )