coming vs night emission

coming

noun
  • The act of arriving; an arrival. 

adj
  • Approaching; of the future, especially the near future; the next. 

  • Newly in fashion; advancing into maturity or achievement. 

night emission

noun
  • An ejaculation or orgasm while asleep, often accompanied by an erotic dream. 

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