bolo vs bolo tie

bolo

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

  • 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 long, heavy, single-edged machete. 

verb
  • To attack or despatch with a bolo knife. 

  • To fail to meet the minimum standards of marksmanship. 

  • To dress (somebody) in a bolo. 

bolo tie

noun
  • A necktie consisting of a heavy cord held in front by an ornamental clasp or slide. 

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