homebound vs shut-in

homebound

adj
  • Confined to one's home, unable to leave it for some reason. 

  • Heading homeward, homeward bound. 

shut-in

adj
  • Confined to a location, as by infirmity or illness. 

noun
  • A person confined to a location, as by illness or infirmity. 

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