affixture vs ligation

affixture

noun
  • The condition of being affixed 

  • The act of affixing 

ligation

noun
  • The state of having a ligature, of being tied. 

  • Something that ties, a ligature. 

  • The act of tying off or sealing a blood vessel, fallopian tube, etc during surgery; act of ligating. 

  • The act of tying, of applying a ligature. 

  • The formation of a complex by reaction with a ligand. 

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