garrote vs restrain

garrote

verb
  • to execute by strangulation 

  • to kill using a garrote 

noun
  • an iron collar formerly used in Spain to execute people by strangulation 

  • something, especially a cord or wire, used for strangulation 

restrain

verb
  • To control or keep in check. 

  • To deprive of liberty. 

  • To strain again. 

  • To restrict or limit. 

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