knock back vs seek

knock back

verb
  • To reject; to refuse. 

  • To drink an alcoholic beverage swiftly or often. 

  • To stun; to surprise. 

  • To press or knead (dough) so as to remove air bubbles. 

seek

verb
  • To try to reach or come to; to go to; to resort to. 

  • To try to acquire or gain; to strive after; to aim at. 

  • To try to find; to look for; to search for. 

  • To navigate through a stream. 

  • To ask for; to solicit; to beseech. 

  • To attempt, endeavour, try 

noun
  • The operation of navigating through a stream. 

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