encircling vs unbroken

encircling

adj
  • enclosing, skirting 

noun
  • encirclement 

unbroken

adj
  • Whole, not divided into parts. 

  • Of a horse, not tamed. 

  • Continuous, without interruption. 

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