Gap vs Over

Gap

name
  • A town, the capital of the department of the Hautes-Alpes, Provence-Alpes-Côte d'Azur, France. 

Over

name
  • A village in Seevetal, Lower Saxony, Germany. 

  • A village and civil parish in South Cambridgeshire district, Cambridgeshire, England (OS grid ref TL3770). 

  • A suburban area in Winsford, Cheshire West and Chester district, Cheshire, England (OS grid ref SJ6366). 

  • A hamlet in Almondsbury parish, South Gloucestershire district, Gloucestershire, England (OS grid ref ST5882) 

  • A hamlet near Gloucester in Highnam parish, Tewkesbury district, Gloucestershire (OS grid ref SO8119). 

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