Google Books Ngram Viewer

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

1750 - 1778 1779 - 1844 1845 - 1864 1865 - 1974 1975 - 2008 love English
1750 - 1774 1775 - 1929 1930 - 1948 1949 - 1973 1974 - 2008 war English

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