convulsive vs spastic

convulsive

adj
  • Having or producing convulsions. 

  • Marked by or having the nature of convulsions. 

spastic

adj
  • Of, relating to, or affected by spasm. 

  • Of or relating to spastic paralysis. 

  • Clumsy. 

  • Hyperactive, excited, and acting in a random manner. 

noun
  • A stupid, clumsy person. 

  • A person affected by spastic paralysis or spastic cerebral palsy. 

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