Google Books Ngram Viewer

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

1900 - 1915 1916 - 1953 1954 - 1960 1961 - 1995 1996 - 2008 less big English
1900 - 1919 1920 - 1990 1991 - 1997 1998 - 2003 2004 - 2008 not as big English
1900 - 1922 1923 - 1990 1991 - 1996 1997 - 2002 2003 - 2008 not as powerful English
1900 - 1908 1909 - 1980 1981 - 1990 1991 - 1999 2000 - 2008 less powerful English

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