compulsive vs pathological

compulsive

adj
  • Uncontrolled or reactive and irresistible. 

  • Having power to compel; exercising or applying compulsion. 

noun
  • One who exhibits compulsive behaviours. 

pathological

adj
  • Having properties which are counterintuitive or difficult to handle. 

  • Relating to, amounting to, causing, or caused by a physical or mental disorder. 

  • Pertaining to pathology. 

  • Having properties that cause unusually bad behaviour, especially regarding correctness or performance. 

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