tenacious vs unfixed

tenacious

adj
  • Unwilling to yield or give up; dogged. 

  • Having a good memory; retentive. 

  • Holding together; cohesive. 

  • Clinging to an object or surface; adhesive. 

unfixed

adj
  • Not fixated or fixed; moving or changing freely 

  • Not fixed; not corrected. 

  • Not fraudulently prearranged. 

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