emerge vs show oneself

emerge

verb
  • To come into view. 

  • To come out of a situation, object or a liquid. 

  • To become known. 

show oneself

verb
  • Used other than figuratively or idiomatically: see show, oneself. 

  • To expose one's genitalia, especially in an inappropriate setting; to expose oneself. 

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