Google Books Ngram Viewer

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

1800 - 1925 1926 - 1935 1936 1937 - 1954 1955 - 1977 ack emma English
1800 - 1916 1917 1918 - 1931 1932 - 1954 1955 - 1965 pip emma English

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