unknowledgeable vs versant

unknowledgeable

adj
  • Lacking knowledge, ignorant, naive, or foolish. 

versant

adj
  • conversant 

  • With the wings erect and open. 

noun
  • a slope of a mountain or mountain ridge 

  • the overall slope of a region 

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