effervescence vs gayness

effervescence

noun
  • Vivacity. 

  • The escape of gas from solution in a liquid, especially the escape of carbon dioxide from a carbonated drink. 

  • Foment. 

gayness

noun
  • The state of being gay (homosexual); homosexuality. 

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