promising vs solicitous

promising

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

  • a promising young apprentice 

  • Encouraging and inspiring confidence. 

noun
  • The act of making a promise. 

solicitous

adj
  • In an eager way. 

  • In an anxious or distressed way. 

  • In a conscientious way, often with kindness. 

  • Disposed to solicit; eager to obtain something desirable, or to avoid anything evil. 

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