cadge vs knock

cadge

verb
  • To intrude or live on another meanly; to beg. 

  • To carry, as a burden. 

  • To beg. 

  • To obtain something by wit or guile; to convince people to do something they might not normally do. 

  • To carry hawks and other birds of prey. 

  • To hawk or peddle, as fish, poultry, etc. 

noun
  • A circular frame on which cadgers carry hawks for sale. 

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. 

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