necessitous vs noneffective

necessitous

adj

  • Lacking; required. 

  • Necessary; unavoidable. 

noneffective

adj

  • Not effective. 

  • Not able to assume active duty. 

noun

  • A member of the military who is unable to assume active duty. 

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