premiere vs unveiling

premiere

noun
  • The first showing of a film, play or other form of entertainment, often held as a special event with celebrity guests. 

  • In a series of narrative works, the installment that is chronologically set first. 

  • The first episode of a television show or a particular season of that show. 

  • The leading woman of a group, especially in a theatrical cast. 

verb
  • Of a film or play, to play for the first time. 

  • To present a film or play for the first time. 

unveiling

noun
  • A ceremony for the first public showing of something. 

  • The act of unveiling or uncovering. 

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