Google Books Ngram Viewer

Graph these comma-separated phrases:
case-insensitive
between and from the corpus with smoothing of .  
Search in Google Books:

1800 - 1878 1879 - 1965 1966 - 1978 1979 - 1990 1991 - 2000 as best you can English
1800 - 1815 1816 - 1830 1831 - 1845 1846 - 1958 1959 - 2000 as well as you can English

Run your own experiment! Raw data is available for download here.
© 2013 Google - Privacy & Terms - About Google - About Google Books - About Ngram Viewer