knock down vs raze

knock down

verb
  • To demolish. 

  • To drink fast. 

  • To disassemble for shipment. 

  • To reduce the price of. 

  • To hit or knock (something or someone), intentionally or accidentally, so that it falls. 

  • To approve a drinking toast by banging glasses on the table. 

  • At an auction, to declare (something) sold with a blow from the gavel. 

raze

verb
  • To demolish; to level to the ground. 

  • To destroy; to strike out of existence; to obliterate. 

  • To scrape as if with a razor. 

noun
  • A swinging fence in a watercourse to prevent cattle passing through. 

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