undecided vs unfixed

undecided

adj
  • Uncommitted, not having reached a decision. 

  • Open and not yet settled or determined. 

noun
  • A voter etc. who has not yet come to a decision. 

unfixed

adj
  • Not fixed; not corrected. 

  • Not fixated or fixed; moving or changing freely 

  • Not fraudulently prearranged. 

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