continuative vs unbroken

continuative

adj
  • Of or pertaining to continuation. 

  • durative. 

noun
  • a durative. 

  • Something that causes a continuation. 

unbroken

adj
  • Continuous, without interruption. 

  • Whole, not divided into parts. 

  • Of a horse, not tamed. 

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