Google Books Ngram Viewer

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

1700 - 1798 1799 - 1883 1884 - 1897 1898 - 1984 1985 - 2015 repellant English
1700 - 1779 1780 - 1942 1943 - 1955 1956 - 1989 1990 - 2015 repellent English

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