dead duck vs feticide

dead duck

noun
  • One who is in serious danger or trouble. 

  • A project that is doomed to failure from the start. 

feticide

noun
  • One who kills a fetus. 

  • The killing of a fetus or embryo; an induced abortion. 

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