unbroken vs unendly

unbroken

adj
  • Continuous, without interruption. 

  • Whole, not divided into parts. 

  • Of a horse, not tamed. 

unendly

adj
  • Having no end; infinite; endless; unending. 

adv
  • In an unendly or infinite manner; infinitely; unendingly. 

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