bolo vs razor blade

bolo

noun
  • A long, heavy, single-edged machete. 

  • A soldier not capable of the minimum standards of marksmanship. 

  • A request for law enforcement officers to be on the lookout for a suspect. 

  • a type of punch; an uppercut. 

  • A string or leather necktie secured with an ornamental slide. 

verb
  • To attack or despatch with a bolo knife. 

  • To fail to meet the minimum standards of marksmanship. 

  • To dress (somebody) in a bolo. 

razor blade

noun
  • A thin piece of steel with a sharp edge that can be fitted into a razor. 

  • A replaceable cartridge in which razor blades are set, fitted into a razor. 

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