old town vs zoo

old town

noun
  • Used other than figuratively or idiomatically: see old, town. 

  • The historic district of a city or town. 

zoo

noun
  • Any place that is wild, crowded, or chaotic. 

  • A zoophile. 

  • A park where live animals are exhibited. 

  • A large and varied collection of something. 

  • The jungle. 

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