ligneous vs treen

ligneous

adj
  • Of, or resembling wood; woody. 

  • Containing lignin or xylem. 

treen

adj
  • Pertaining to or derived from trees; wooden; made of wood. 

noun
  • A territorial division in the Isle of Man. 

  • Household articles made of wood. 

  • A large wooden platter. 

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