Google Books Ngram Viewer

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

1800 - 1833 1834 - 1932 1933 - 1947 1948 - 1992 1993 - 2000 puppy English
1800 - 1853 1854 - 1923 1924 - 1937 1938 - 1986 1987 - 2000 kitten English
1800 - 1950 1951 - 1982 1983 - 1985 1986 - 1994 1995 - 2000 hamster English

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