Google Books Ngram Viewer

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

1800 - 1870 1871 - 1936 1937 - 1944 1945 - 1980 1981 - 2000 malaria English
1800 - 1812 1813 - 1860 1861 - 1871 1872 - 1928 1929 - 2000 ague English

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