Google Books Ngram Viewer

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

1800 - 1807 1808 - 1818 1819 - 1829 1830 - 1978 1979 - 2000 helden English
1800 - 1813 1814 - 1864 1865 - 1873 1874 - 1978 1979 - 2000 daus English

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