contrivance vs subalternate

contrivance

noun
  • Something overly artful or artificial. 

  • A means, such as an elaborate plan or strategy, to accomplish a certain objective. 

  • A (mechanical) device to perform a certain task. 

subalternate

noun
  • A particular proposition, as opposed to a universal one. 

adj
  • Succeeding by turns; successive. 

  • Subaltern; inferior; subordinate. 

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