bandstand vs rotunda

bandstand

noun
  • A small, open-air platform or enclosure for bands to play on, usually roofed. 

  • A small, informal stage, usually located in nightclubs, where local and amateur musicians perform. 

rotunda

noun
  • A round building, usually small, often with a dome. 

  • A Gothic typeface used in early printed books in Northern Italy, based on a rounded script developed in the 13th cent.; the manuscript hand on which this typeface was based. 

  • A roundabout; a road junction at which traffic streams circularly around a central island. 

  • A form of cupola that has pentagons rather than squares or rectangles. 

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