pendulous vs swaying

pendulous

adj
  • indecisive or hesitant 

  • Hanging from, or as if from, a support. 

  • having branches etc. that bend downwards; drooping or weeping 

swaying

noun
  • An injury caused to a horse's back by violent strains or overloading. 

  • The motion of something that sways. 

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