botty vs posterior

botty

noun
  • bottom 

  • A term of address for a bot (automated software process). 

adj
  • Resembling a bot (automated software process); botlike. 

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. 

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