arcade vs galleria

arcade

noun
  • A covered passage, usually with shops on both sides. 

  • An establishment that runs coin-operated games. 

  • A row of arches. 

verb
  • To cover (something) as with a series of arches. 

galleria

noun
  • An indoor area, or covered courtyard, containing shops. 

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