closeted vs protectable

closeted

adj
  • sheltered; protected. 

  • Not open about one's sexual orientation, romantic orientation, or gender identity. 

  • Not open about some aspect of one's identity, tendency, or fondness; secret. 

  • Confined. 

protectable

adj
  • Able to be protected 

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