opportunism vs pragmatism

opportunism

noun
  • The practice of taking advantage of any situations or people to achieve an end, often with no regard for principles or consequences. 

pragmatism

noun
  • The habit of interfering in other people's affairs; meddlesomeness. 

  • The pursuit of practicality over aesthetic qualities; a concentration on facts rather than emotions or ideals. 

  • The theory that political problems should be met with practical solutions rather than ideological ones. 

  • The idea that beliefs are identified with the actions of a believer, and the truth of beliefs with success of those actions in securing a believer's goals; the doctrine that ideas must be looked at in terms of their practical effects and consequences. 

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