Google Books Ngram Viewer

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

Unknown corpus large. Using default corpus instead.

Search in Google Books:

1800 - 1835 1836 - 1962 1963 - 1978 1979 - 1992 1993 - 2008 size English

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