institution vs rest home

institution

noun
  • A mental institution. 

  • Any long established and respected place or business. 

  • The act of instituting something. 

  • A custom or practice of a society or community. 

  • The building or buildings which house such an organization. 

  • A person long established in a place, position, or field. 

  • A long established and respected organization, particularly one involved with education, public service, or charity work. 

  • The act by which a bishop commits a cure of souls to a priest. 

rest home

noun
  • A place of residence for people who require constant nursing care and have significant deficiencies with activities of daily living, such as the elderly and younger adults with physical disabilities. 

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