pulverate vs pulverise

pulverate

verb
  • To beat or reduce to powder or dust; to pulverize. 

pulverise

verb
  • To become reduced to powder; to fall to dust. 

  • To render into dust or powder. 

  • To defeat soundly, thrash. 

  • To completely destroy, especially by crushing to fragments or a powder. 

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