nationality vs nationhood

nationality

noun
  • National origin or identity; legal membership of a particular nation or state, by origin, birth, naturalization, ownership, allegiance or otherwise. 

  • A people sharing a common origin, culture and/or language, and possibly constituting a nation-state. 

nationhood

noun
  • The fact of achieving national independence or autonomy. 

  • The quality of being a nation. 

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