independence vs nationhood

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. 

nationhood

noun
  • The fact of achieving national independence or autonomy. 

  • The quality of being a nation. 

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