pathosis vs syndrome

pathosis

noun
  • A disease; a pathologic condition. 

syndrome

noun
  • A recognizable pattern of signs, symptoms and/or behaviours, especially of a disease or medical or psychological condition. 

  • Any set of characteristics regarded as identifying a certain type, condition, etc., usually adverse. 

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