Google Books Ngram Viewer

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

1800 - 1823 1824 - 1837 1838 1839 - 1908 1909 - 2000 even should i fail English
1800 - 1806 1807 - 1885 1886 - 1892 1893 - 1936 1937 - 1960 even if i should fail English
1800 - 1855 1856 - 1884 1885 - 1893 1894 - 1986 1987 - 2000 even if i fail English

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