complanate vs unbroken

complanate

adj
  • Flattened to a level surface. 

verb
  • To make level. 

unbroken

adj
  • Whole, not divided into parts. 

  • Of a horse, not tamed. 

  • Continuous, without interruption. 

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