doss-house vs homeless shelter

doss-house

noun
  • A place where homeless people can sleep for the night. 

homeless shelter

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

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

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