homeless shelter vs orphanage

homeless shelter

noun
  • A sanctuary for the temporary housing of domesticated animals without a home. 

  • A building set up to provide for the needs of homeless people; often including shelter, food, sanitation and other forms of support. 

orphanage

noun
  • A residential institution for the care and protection of orphans. 

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