procreant vs puberal

procreant

adj
  • Of or pertaining to procreation; procreative. 

  • That procreates. 

noun
  • One who, or that which, procreates. 

puberal

adj
  • Synonym of pubertal 

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