inattentive vs solicitous

inattentive

adj
  • Of or pertaining to a lack of attention; not paying attention; careless. 

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. 

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