Google Books Ngram Viewer

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

1800 - 1818 1819 - 1836 1837 - 1853 1854 - 1979 1980 - 2008 progress English
1800 - 1841 1842 - 1959 1960 - 1971 1972 - 1995 1996 - 2008 tradition English
1800 - 1821 1822 - 1979 1980 - 1989 1990 - 1999 2000 - 2008 innovation English

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