Plot away on the Google Books Ngram Viewer
GoogleLabs recently released a tool that searches across millions of books to graph a word or phrase’s popularity over time. So when you enter phrases into the Google Books Ngram Viewer, it displays a graph showing how those phrases have occurred in a corpus of books over the selected years.
The Google Books Ngram Viewer is based on a database of nearly 5.2 million digitized books (5,195,769 to be exact), totaling over 500 billion words contained in books published between 1500 and July 2009 (to be continuously updated as book scanning continues) in English, French, Spanish, German, Chinese and Russian…



