ignorant vs unploughed

ignorant

adj
  • Unknowledgeable or uneducated; characterized by ignorance. 

  • Ill-mannered, crude. 

  • Resulting from ignorance; foolish; silly. 

  • Not knowing (a fact or facts), unaware (of something). 

noun
  • One who is ignorant. 

unploughed

adj
  • Unexplored or unknown. 

  • Unturned with a plough, and thus retaining its original vegetation (usually grass). 

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