bow and scrape vs prostrate oneself

bow and scrape

verb
  • To make a deep bow with the right leg drawn back (thus scraping the floor), left hand pressed across the abdomen, right arm held aside. 

  • To behave in a servile, obsequious, or excessively polite manner. 

noun
  • A deep formal bow with right leg drawn back touching the ground. 

prostrate oneself

How often have the words bow and scrape and prostrate oneself occurred in a corpus of books? (source: Google Ngram Viewer )