independence vs selfship

independence

noun
  • The quality or state of being independent; lack of dependence; the state of not being reliant on, or controlled by, others. 

  • The state of having sufficient means for a comfortable livelihood. 

selfship

noun
  • The state, essence, or quality of self; identity; individuality. 

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