unfixed vs unshakable

unfixed

adj
  • Not fixated or fixed; moving or changing freely 

  • Not fixed; not corrected. 

  • Not fraudulently prearranged. 

unshakable

adj
  • resolute, unfaltering, unwavering 

  • Having no errors or loopholes; unassailable 

  • Not able to be shaken; firm, solid 

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