balmoral vs jackboot

balmoral

noun
  • A figured woollen petticoat. 

  • A Scottish cap with a flat top and a plume but no brim; a blue bonnet. 

  • A heavy walking shoe. 

  • An Oxford shoe. 

jackboot

noun
  • A glossy leather calf-covering military boot, commonly associated with German soldiers of the WWII era. 

  • The spirit that motivates a totalitarian or overly militaristic regime or policy. 

verb
  • To march in jackboots. 

  • To stamp on with a jackboot. 

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