grilling vs questionnaire

grilling

noun
  • A thorough interrogation. 

  • The act or process of grilling, or broiling. 

questionnaire

noun
  • A form containing a list of questions; a means of gathering information for a survey 

verb
  • to survey using questionnaires 

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