convulsive vs spotty

convulsive

adj
  • Marked by or having the nature of convulsions. 

  • Having or producing convulsions. 

spotty

adj
  • Having spots; spotted. 

  • Occurring in non-contiguous positions or locations. 

  • Of inconsistent quality 

noun
  • A common New Zealand fish, Notolabrus celidotus 

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