Google Books Ngram Viewer

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

1800 - 1935 1936 - 1941 1942 - 1947 1948 - 2000 2001 - 2008 gangster English
1800 - 1996 1997 - 2004 2005 2006 2007 - 2008 gangsta English

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