Google Books Ngram Viewer

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

1800 - 1816 1817 - 1919 1920 - 1935 1936 - 1975 1976 - 2008 theatre English
1800 - 1911 1912 - 1984 1985 - 1992 1993 - 1999 2000 - 2008 theater English

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