cumshot vs semen

cumshot

noun
  • A trail or splodge of semen. 

  • A sex act in pornographic films in which a man ejaculates onto his partner's body. 

  • The portrayal of ejaculation. 

semen

noun
  • A sticky, milky fluid produced in male reproductive organs that contains the reproductive cells. 

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