apt vs promising

apt

adj
  • Ready; especially fitted or qualified (to do something); quick to learn. 

  • Suitable; appropriate; fit or fitted; suited. 

  • Having a habitual tendency; habitually liable or likely; disposed towards. 

noun
  • An apartment; a flat. 

promising

adj
  • a promising young apprentice 

  • Showing promise, and likely to develop in a desirable fashion. 

  • Encouraging and inspiring confidence. 

noun
  • The act of making a promise. 

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