arboreal vs epiphytic

arboreal

adj
  • Of, relating to, or resembling a tree. 

  • Covered or filled with trees. 

  • Living in or among trees. 

noun
  • Any tree-dwelling creature. 

epiphytic

adj
  • Of or pertaining to an epiphyte 

noun
  • Synonym of epiphyte 

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