jigger vs knop

jigger

noun
  • A pendulum rolling machine for slicking or graining leather. 

  • A vagina. 

  • Jig, Jigger, Jigabou, derogatory terms meaning the same as American Nigger. 

  • A light tackle, consisting of a double and single block and the fall, used for various purposes, as to increase the purchase on a topsail sheet in hauling it home; the watch tackle. 

  • A placeholder name for any small mechanical device. 

  • A horizontal lathe used in producing flatware. 

  • A measure of 1 ½ fluid ounces of liquor. 

  • A drink of whisky. 

  • A short board or plank inserted into a tree for a person to stand on while cutting off higher branches. 

  • A sandflea, Tunga penetrans, of the order Siphonaptera; chigoe. 

  • A lock pick. 

  • The sieve used in sorting or separating ore. 

  • An illicit electric shock device used to urge on a horse during a race. 

  • An illegal distillery. 

  • A double-ended vessel, generally of stainless steel or other metal, one end of which typically measures 1 ½ fluid ounces, the other typically 1 fluid ounce. 

  • One who jigs; a miner who sorts or cleans ore by the process of jigging. 

  • A small fishing vessel, rigged like a yawl. 

  • A railway jigger, a small motorized or human powered vehicle used by railway workers to traverse railway tracks. 

  • A device used in the dyeing of cloth. 

  • A device used by fishermen to set their nets under the ice of frozen lakes. 

  • A larva of any of several mites in the family Trombiculidae; chigger, harvest mite. 

  • A warehouse crane. 

  • A jiggermast. 

  • The bridge or rest for the cue in billiards. 

verb
  • To move, send, or drive with a jerk; to jerk; also, to drive or send over with a jerk, as a golf ball. 

  • To alter or adjust, particularly in ways not originally intended. 

  • To use a jigger. 

knop

noun
  • A knob, usually ornamental 

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