Google Books Ngram Viewer

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

1940 - 1944 1945 - 1950 1951 - 1956 1957 - 2001 2002 - 2008 chitterlings English
1940 - 1947 1948 - 1995 1996 - 1999 2000 - 2004 2005 - 2008 chitlins English

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