fanny vs trouser

fanny

noun
  • The buttocks; arguably the most nearly polite of several euphemisms. 

  • The female genitalia. 

  • Women viewed as sexual objects. 

  • Mess kettle or cooking pot. 

  • Sexual intercourse with a woman. 

trouser

noun
  • Of or relating to trousers. 

  • A pair of trousers. 

verb
  • To secretively steal (an item or money) for personal use. 

  • To put (money) into one's trouser pocket; to pocket. 

  • To take and keep (something, especially money, that is not one's own); to pocket. 

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