Google Books Ngram Viewer

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

1800 - 1957 1958 - 1972 1973 - 1972 1973 - 2003 2004 - 2010 isocolons English
1800 - 1836 1837 - 1932 1933 1934 - 1994 1995 - 2010 isocola English

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