developmental vs learned

developmental

adj
  • Related to development. 

noun
  • A trainee flight controller. 

learned

adj
  • Derived from experience; acquired by learning. 

  • Having much learning, knowledgeable, erudite; highly educated. 

  • Scholarly, exhibiting scholarship. 

  • A courteous description used in various ways to refer to lawyers or judges. 

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