barrio vs dormitory town

barrio

noun
  • A slum on the periphery of a major city; a low to middle-class neighborhood in a lesser city. 

  • A municipality or subdivision of a municipality. 

  • An area or neighborhood in a US city inhabited predominantly by Spanish-speakers or people of Hispanic origin. 

  • A barangay. 

dormitory town

noun
  • A suburban or rural settlement housing city workers who commute to work. 

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