Niagara vs overflow

Niagara

noun
  • A flood, torrent, or outpouring, especially one of massive proportions. 

  • A Niagara grape. 

name
  • A regional municipality on the Niagara Peninsula, southern Ontario, Canada, colloquially known as the Niagara Region. 

  • A ghost town in Western Australia. 

  • A river (the Niagara River) which flows from Lake Erie, over Niagara Falls into Lake Ontario; the geographical region of the United States and Canada in proximity to this river. 

  • A city and town in Wisconsin. 

  • The Niagara Falls. 

  • A town in New York. 

  • A city and village in North Dakota. 

  • A ghost town in British Columbia, Canada. 

overflow

noun
  • The spillage resultant from overflow; excess. 

  • The situation where a value exceeds the available numeric range. 

  • Outlet for escape of excess material. 

verb
  • To flow over the edge of a container. 

  • To exceed limits or capacity. 

  • To (cause to) exceed the available numeric range. 

  • To cover with a liquid, literally or figuratively. 

  • To flow over the brim of (a container). 

  • To be superabundant; to abound. 

  • To cause an overflow. 

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