euphoric vs overjoyous

euphoric

adj
  • Feeling great well-being or elation or intense happiness; characterized by euphoria 

  • Productive of euphoria, causing great joy 

noun
  • A drug that causes euphoria; a euphoriant. 

overjoyous

adj
  • Extremely happy or celebratory; overjoyed. 

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