dependence vs fixation

dependence

noun
  • The state of being dependent, of relying upon another. 

  • An irresistible physical or psychological need, especially for a chemical substance. 

fixation

noun
  • The state of being fixed or fixated. 

  • A state of mind involving obsession with a particular person, idea, or thing. 

  • process by which an injury is rendered immobile. 

  • Recording a creative work in a medium of expression for more than a transitory duration, thereby satisfying the "fixation" requirement for the purposes of copyright law. 

  • The change in a gene pool from a situation where there exists at least two variants of a particular gene (allele) to a situation where only one of the alleles remains. 

  • The act of fixing. 

  • maintaining of the gaze on a single location. 

  • The act of uniting chemically with a solid substance or in a solid form; reduction to a non-volatile condition; -- said of volatile elements. 

  • The act or process of ceasing to be fluid and becoming firm. 

  • In metals, a state of resistance to evaporation or volatilization by heat. 

  • preservation of biological tissues from decay due to autolysis or putrefaction. 

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