Google Books Ngram Viewer

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

1800 - 1911 1912 - 1985 1986 - 1989 1990 - 2000 2001 - 2008 heat the soup English
1800 - 1928 1929 - 1948 1949 - 1951 1952 - 2001 2002 - 2008 heat up the soup English

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