knacker vs tax

knacker

verb
  • To reprimand. 

  • To tire out, exhaust. 

noun
  • One who makes knickknacks, toys, etc. 

  • A member of the Travelling Community; a Gypsy. 

  • One who slaughters and (especially) renders worn-out livestock (especially horses) and sells their flesh, bones and hides. 

  • A person of lower social class; a chav, skanger or scobe. 

  • One who dismantles old ships, houses, etc. and sells their components. 

  • A harness maker. 

  • One of two or more pieces of bone or wood held loosely between the fingers, and struck together by moving the hand; a clapper. 

  • A testicle. 

  • An old, worn-out horse. 

tax

verb
  • To accuse. 

  • To impose and collect a tax from (a person or company). 

  • To impose and collect a tax on (something). 

  • To make excessive demands on. 

  • To examine accounts in order to allow or disallow items. 

noun
  • A burdensome demand. 

  • A task exacted from one who is under control; a contribution or service, the rendering of which is imposed upon a subject. 

  • Money paid to the government other than for transaction-specific goods and services. 

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