bolo vs sickle

bolo

verb
  • To attack or despatch with a bolo knife. 

  • To fail to meet the minimum standards of marksmanship. 

  • To dress (somebody) in a bolo. 

noun
  • 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. 

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

sickle

verb
  • To cut with a sickle. 

  • Of red blood cells: to assume an abnormal crescent shape. 

  • To deform (as with a red blood cell) into an abnormal crescent shape. 

noun
  • Any of the sickle-shaped middle feathers of the domestic cock. 

  • An implement having a semicircular blade and short handle, used for cutting long grass and cereal crops. 

adj
  • Shaped like the blade of a sickle; crescent-shaped. 

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