conceptualize vs instantiate

conceptualize

verb
  • To interpret a phenomenon by forming a concept. 

  • To conceive the idea for something. 

instantiate

verb
  • To represent (a concept, theme, or principle) by an instance. 

  • To create an object (an instance) of a specific class. 

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