stillborn vs unfruitful

stillborn

noun
  • A baby that is born dead. 

adj
  • Dead at birth. 

  • Ignored, without influence, or unsuccessful from the outset; abortive. 

unfruitful

adj
  • Not bearing fruit. 

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