Google Books Ngram Viewer

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

1860 - 1919 1920 - 1927 1928 - 1955 1956 - 1998 1999 - 2008 standardize English

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