knock vs value

knock

verb
  • To criticize verbally; to denigrate; to undervalue. 

  • To kick a ball towards another player; to pass. 

  • To rap one's knuckles against something, especially wood. 

noun
  • An abrupt rapping sound, as from an impact of a hard object against wood. 

  • A sharp impact. 

  • A batsman's innings. 

  • A blow or setback. 

  • Preignition, a type of abnormal combustion occurring in spark ignition engines caused by self-ignition; also, the characteristic knocking sound associated with it. 

  • Synonym of hunger knock 

  • A criticism. 

value

verb
  • To regard highly; think much of; place importance upon. 

  • To fix or determine the value of; assign a value to, as of jewelry or art work. 

  • To estimate the value of; judge the worth of something. 

  • To hold dear. 

noun
  • The degree of importance given to something. 

  • The relative darkness or lightness of a color in (a specific area of) a painting etc. 

  • The valuable ingredients to be obtained by treating a mass or compound; specifically, the precious metals contained in rock, gravel, etc. 

  • The relative duration of a musical note. 

  • That which is valued or highly esteemed, such as one's morals, morality, or belief system. 

  • The amount (of money or goods or services) that is considered to be a fair equivalent for something else. 

  • The quality (positive or negative) that renders something desirable or valuable. 

  • Any definite numerical quantity or other mathematical object, determined by being measured, computed, or otherwise defined. 

  • Precise meaning; import. 

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