tail end vs tush

tail end

noun
  • The hindmost part of anything (a person, animal, or object), the rear end; the butt, buttocks; hindquarters, rump. 

  • The last part of a period of time, event, or situation; the concluding or final part. 

tush

noun
  • The buttocks. 

  • A tusk. 

  • Nonsense; tosh. 

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

intj
  • An exclamation of contempt or rebuke. 

verb
  • To express contempt; rebuke. 

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

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