Google Books Ngram Viewer

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

1800 - 1848 1849 - 1920 1921 - 1934 1935 - 1982 1983 - 2000 spur of the moment English
1800 - 1806 1807 - 1812 1813 - 1817 1818 - 1882 1883 - 2000 spur of the occasion English

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