dragoon vs rocking horse

dragoon

noun
  • A carrier of a dragon musket. 

  • A variety of pigeon. 

  • A horse soldier; a cavalryman, who uses a horse for mobility, but fights dismounted. 

verb
  • To force (someone) into doing something; to coerce. 

  • To surrender (a person) to the fury of soldiers. 

rocking horse

noun
  • a child’s toy consisting of a (usually wooden) horse mounted on a rocker or swing 

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