pileous vs unshaven

pileous

adj
  • Covered with hair; hairy. 

  • Of, pertaining to, or consisting of hair. 

unshaven

adj
  • Not having shaved; not shaven; untrimmed. 

  • Unkempt. 

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