pshaw vs tush

pshaw

intj
  • Indicating disapproval, scoffery, irritation, impatience or disbelief. 

verb
  • To express disgust or contempt by saying "pshaw". 

tush

intj
  • An exclamation of contempt or rebuke. 

noun
  • The buttocks. 

  • A tusk. 

  • Nonsense; tosh. 

  • A small tusk sometimes found on the female Indian elephant. 

verb
  • To express contempt; rebuke. 

  • To pull or drag a heavy object such as a tree or log. 

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