raze vs self-delete

raze

verb
  • To destroy; to strike out of existence; to obliterate. 

  • To scrape as if with a razor. 

  • To demolish; to level to the ground. 

noun
  • A swinging fence in a watercourse to prevent cattle passing through. 

self-delete

verb
  • To self-destruct. 

  • Code that overwrites itself upon completion, usually with 0x00 or 0xFF bytes that represent an unwritten region. 

  • To commit suicide; to take one's own life. 

How often have the words raze and self-delete occurred in a corpus of books? (source: Google Ngram Viewer )