Google Books Ngram Viewer

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

1700 - 1744 1745 - 1849 1850 - 1871 1872 - 1958 1959 - 2000 love English
1700 - 1822 1823 - 1973 1974 - 1982 1983 - 1992 1993 - 2000 sex English

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