amiable vs solicitous

amiable

adj
  • Friendly; kind; sweet; gracious 

  • Of a pleasant and likeable nature; kind-hearted; easy to like 

solicitous

adj
  • In a conscientious way, often with kindness. 

  • In an anxious or distressed way. 

  • In an eager way. 

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

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