convulsive vs turbulent

convulsive

adj
  • Having or producing convulsions. 

  • Marked by or having the nature of convulsions. 

turbulent

adj
  • violently disturbed or agitated; tempestuous, tumultuous 

  • being in, or causing, disturbance or unrest 

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