expedient vs subterfuge

expedient

noun
  • A method or means for achieving a particular result, especially when direct or efficient; a resource. 

adj
  • Suitable to effect some desired end or the purpose intended. 

  • Governed by self-interest, often short-term self-interest. 

  • Affording short-term benefit, often at the expense of the long-term. 

subterfuge

noun
  • Deception; misrepresentation of the true nature of an activity. 

  • An indirect or deceptive device or stratagem; a blind. Refers especially to war and diplomatics. 

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