fettering vs inhibition

fettering

noun
  • The act by which something is fettered or constricted. 

inhibition

noun
  • The act of inhibiting. 

  • A recusal. 

  • A writ from a higher court to an inferior judge to stay proceedings. 

  • A personal feeling of fear or embarrassment that stops one behaving naturally. 

  • The process of stopping or retarding a reaction. 

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