Google Ngram Viewer – Demo

“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 (e.g., “British English”, “English Fiction”, “French”) over the selected years.”

Here we typed in the word ‘neurasthenic’, and see its usage in the English 2012 corpus over the period 1800 – 2008.

Neuasthenic 2

Try it out here: https://books.google.com/ngrams