procreant vs propagative

procreant

adj
  • Of or pertaining to procreation; procreative. 

  • That procreates. 

noun
  • One who, or that which, procreates. 

propagative

adj
  • Of, pertaining to, or produced by propagation 

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