heaven-sent vs unfortunate

heaven-sent

adj
  • fortunate, appropriate or providential, as if ordained by God 

unfortunate

noun
  • An unlucky person; one who has fallen into bad circumstances. 

adj
  • marked or accompanied by or resulting in misfortune 

  • not favored by fortune 

How often have the words heaven-sent and unfortunate occurred in a corpus of books? (source: Google Ngram Viewer )