catbird seat vs vigil

catbird seat

noun
  • An enviable position, often one of great advantage. 

vigil

noun
  • A quiet demonstration in support of a cause. 

  • A period of observation or surveillance at any hour. 

  • An instance of keeping awake during normal sleeping hours, especially to keep watch or pray. 

  • The eve of a religious festival in which staying awake is part of the ritual devotions. 

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