cumwad vs female ejaculation

cumwad

noun
  • An amount of semen, especially the amount produced by a man in one ejaculation. 

  • A stupid or useless person; dickhead, shithead. 

female ejaculation

noun
  • The forceful expulsion of fluids from the vagina during the female orgasm, possibly originating from the Skene's gland (paraurethral gland) and/or urethra. 

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