Google Books Ngram Viewer

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

1500 - 1865 1866 - 1890 1891 - 1895 1896 - 1981 1982 - 2008 pestifer German

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