entire vs packhorse

entire

noun
  • An uncastrated horse; a stallion. 

  • Porter or stout as delivered from the brewery. 

  • A complete envelope with stamps and all official markings: (prior to the use of envelopes) a page folded and posted. 

adj
  • Morally whole; pure; sheer. 

  • Complex-differentiable on all of ℂ. 

  • Whole; complete. 

  • Having a smooth margin without any indentation. 

  • Consisting of a single piece, as a corolla. 

  • Not gelded. 

  • Internal; interior. 

packhorse

noun
  • A horse used as a pack animal. 

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