extratemporal vs premature

extratemporal

adj
  • That appears to happen outside of time. 

  • Of or pertaining to the side of the head behind the eyes; external to the temporal bone of the skull. 

premature

adj
  • Occurring before a state of readiness or maturity has arrived. 

  • Taking place earlier than anticipated, prepared for, or desired. 

  • Suffering from premature ejaculation. 

noun
  • An infant born prematurely. 

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