hrm vs yay

hrm

intj
  • Expresses a moment of particular curiosity or thoughtfulness. 

yay

intj
  • An expression of happiness. 

noun
  • Cocaine (powder or crack). 

  • The letter for the y sound in Pitman shorthand. 

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