lasting vs unfixed

lasting

adj
  • Persisting for an extended period of time. 

noun
  • A durable woollen material formerly used for women's shoes. 

  • The act or process of shaping footwear on a last. 

unfixed

adj
  • Not fixated or fixed; moving or changing freely 

  • Not fixed; not corrected. 

  • Not fraudulently prearranged. 

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