oneiric vs pensive

oneiric

adj
  • Resembling a dream; dreamlike. 

  • Of or pertaining to dreams. 

pensive

adj
  • Having the appearance of deep, often melancholic, thinking. 

  • Looking thoughtful, especially from sadness. 

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