condolences vs solicitousness

condolences

noun
  • comfort, support, or sympathy offered especially to the family and friends of somebody who has died. 

intj
  • Expressing sympathy to someone, especially after learning of a close death. 

solicitousness

noun
  • The state or quality of being solicitous. 

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