cock/lift its leg vs wee-wee

cock/lift its leg

wee-wee

verb
  • to urinate 

noun
  • The penis. 

  • Urine. 

  • The vulva or vagina. 

  • An act of urination. 

How often have the words cock/lift its leg and wee-wee occurred in a corpus of books? (source: Google Ngram Viewer )