Google Books Ngram Viewer

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

1800 - 1851 1852 - 1916 1917 - 1927 1928 - 1990 1991 - 2008 chattering teeth English
1800 - 1872 1873 - 1892 1893 - 1894 1895 - 1998 1999 - 2008 clattering teeth English

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