appurtenant vs subalternate

appurtenant

noun
  • An appurtenance. 

  • An appendage or attachment. 

adj
  • Of or pertaining to an appurtenance. 

  • Ancillary or subsidiary. 

subalternate

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

adj
  • Succeeding by turns; successive. 

  • Subaltern; inferior; subordinate. 

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