Google Books Ngram Viewer

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

1900 - 1906 1907 - 1921 1922 - 1928 1929 - 1983 1984 - 2000 purple English
1900 - 1909 1910 - 1936 1937 - 1943 1944 - 1987 1988 - 2000 orange English

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