paralyse vs paralyze

paralyse

verb
  • To afflict with paralysis. 

  • To make unable to move; to immobilize. 

  • To make unable to function properly. 

paralyze

verb
  • To afflict with paralysis. 

  • To render unable to move; to immobilize. 

  • To render unable to function properly. 

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