posterior vs tush

posterior

noun
  • The hinder parts of the body. 

  • The probability that a hypothesis is true (calculated by Bayes' theorem). 

adj
  • Following in order or in time. 

  • Next to, or facing the main stem or axis. 

  • Relating to or denoting presentation of a fetus in which the rear or caudal end is nearest the cervix and emerges first at birth. 

tush

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. 

intj
  • An exclamation of contempt or rebuke. 

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