knock on the head vs uphold

knock on the head

verb
  • To put an end to; to defeat or frustrate (a scheme or project). 

uphold

verb
  • To keep erect; to support; to sustain; to keep from falling 

  • To hold up; to lift on high; to elevate. 

  • To support by approval or encouragement, to confirm (something which has been questioned) 

How often have the words knock on the head and uphold occurred in a corpus of books? (source: Google Ngram Viewer )