coitus interruptus vs way out

coitus interruptus

noun
  • Sexual intercourse interrupted by withdrawal of the penis before ejaculation. 

way out

noun
  • A means of exit. 

  • An act or instance of departure. 

  • A solution to a problem; an escape. 

adj
  • Unconventional, eccentric. 

adv
  • Far away; to or at a great distance. 

How often have the words coitus interruptus and way out occurred in a corpus of books? (source: Google Ngram Viewer )