pooper vs preemie

pooper

noun
  • An infant. 

  • A selection in a slot machine game that ends the picking bonus. 

  • One who poops; or, poops well. 

  • One who poops out on an activity; one who dampens the mood by lack of participation or negative attitude. 

  • The anus; often in reference to anal intercourse. 

  • The toilet. 

preemie

noun
  • A baby that has been born prematurely 

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