Pest vs Slave

Pest

name
  • Coordinate term: Buda 

  • One of the originally three separate cities that were united in 1873 to become the Hungarian capital, Budapest. 

  • The corresponding part of the current-day city of Budapest, on the eastern side of the Danube. 

Slave

name
  • Synonym of Sclavia 

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