bondage vs subjection

bondage

noun
  • The state of being enslaved or the practice of slavery. 

  • The practice of physically restraining people for sexual pleasure, such as by tying up or shackling. 

  • Applied to clothing with many buckles, zips, etc., associated with punk and goth subcultures. 

  • The state of lacking freedom; constraint. 

subjection

noun
  • The state of being subjected. 

  • The act of bringing something under the control of something else. 

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