Google Books Ngram Viewer

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

1900 - 1951 1952 - 1972 1973 - 1977 1978 - 2001 2002 - 2008 character assassination English

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