enmity vs obstructiveness

enmity

noun
  • The quality of being an enemy; hostile or unfriendly disposition. 

  • A state or feeling of opposition, hostility, hatred or animosity. 

obstructiveness

noun
  • The characteristic of being obstructive. 

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