erogenous zone vs wee-wee

erogenous zone

noun
  • A part of the human body that is particularly responsive to sexual stimulation. 

wee-wee

noun
  • The vulva or vagina. 

  • The penis. 

  • Urine. 

  • An act of urination. 

verb
  • to urinate 

How often have the words erogenous zone and wee-wee occurred in a corpus of books? (source: Google Ngram Viewer )