conceptive vs procreant

conceptive

adj
  • relating to conception (in all senses) 

procreant

adj
  • Of or pertaining to procreation; procreative. 

  • That procreates. 

noun
  • One who, or that which, procreates. 

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