inconsequential vs subalternate

inconsequential

noun
  • Something unimportant; something that does not matter. 

adj
  • Not logically following from the premises. 

  • Having no consequence; not consequential; of little importance. 

subalternate

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

adj
  • Succeeding by turns; successive. 

  • Subaltern; inferior; subordinate. 

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