Google Books Ngram Viewer

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

1800 - 1839 1840 - 1868 1869 - 1881 1882 - 1981 1982 - 2000 favorite English
1800 - 1807 1808 - 1824 1825 - 1832 1833 - 1937 1938 - 2000 favourite English

Run your own experiment! Raw data is available for download here.
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