Google Books Ngram Viewer

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

1900 - 1905 1906 1907 - 1958 1959 - 1998 1999 - 2000 five years old child English
1900 - 1918 1919 - 1927 1928 1929 - 1986 1987 - 2000 five year old child English

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