solicitous vs unaware

solicitous

adj
  • In an anxious or distressed way. 

  • In an eager way. 

  • In a conscientious way, often with kindness. 

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

unaware

adj
  • Not noticing; paying no heed; thoughtless; inattentive. 

  • Not aware or informed; lacking knowledge. 

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