Google Books Ngram Viewer

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

1800 - 1893 1894 - 1977 1978 - 1982 1983 - 1995 1996 - 2000 pile of news English
1800 - 1931 1932 - 1953 1954 - 1956 1957 - 1990 1991 - 2000 trickle of news English
1800 - 1943 1944 - 1983 1984 - 1986 1987 - 1993 1994 - 2000 flow of news English

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