bunk vs caution

bunk

adj
  • Defective, broken, not functioning properly. 

noun
  • A wooden case or box, which serves for a seat in the daytime and for a bed at night. 

  • A cot. 

  • Bunkum; senseless talk, nonsense. 

  • A specimen of a recreational drug with insufficient active ingredient. 

  • A piece of wood placed on a lumberman's sled to sustain the end of heavy timbers. 

  • A built-in bed on board ship, often erected in tiers one above the other. 

  • One of a series of berths or beds placed in tiers. 

verb
  • To fail to attend school or work without permission; to play truant (usually as in 'to bunk off'). 

  • To occupy a bunk. 

  • To provide a bunk. 

  • To depart; scram. 

caution

verb
  • To warn; to alert, advise that caution is warranted. 

  • To give a yellow card 

noun
  • A formal warning given as an alternative to prosecution in minor cases. 

  • Security; guaranty; bail. 

  • A yellow card. 

  • Prudence when faced with, or when expecting to face, danger; care taken in order to avoid risk or harm. 

  • A careful attention to the probable effects of an act, in order that failure or harm may be avoided. 

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