go missing vs poof

go missing

verb
  • To disappear without explanation; to become lost. 

poof

verb
  • To vanish or disappear. 

  • To break wind; to fart. 

intj
  • Onomatopoeia indicating a small explosion with a cloud of smoke; as caused by a deflating object, or a magical disappearance. 

noun
  • A male homosexual, especially one who is effeminate. 

  • The product of flatulence, or the sound of breaking wind. 

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