Google Books Ngram Viewer

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

Unknown corpus avengers. Using default corpus instead.

Search in Google Books:

1800 - 1815 1816 - 1831 1832 - 1886 1887 - 1980 1981 - 2008 who English

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