bowl over vs hebetate

bowl over

verb
  • To overwhelm with astonishment or wonder; to flabbergast 

  • To overwhelm; to cause to fall to the ground. 

hebetate

verb
  • To render obtuse; to dull; to blunt. 

adj
  • obtuse; dull 

  • Having a dull or blunt and soft point 

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