Google Books Ngram Viewer

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

1800 - 1827 1828 - 1837 1838 - 1877 1878 - 1959 1960 - 2000 sagacious advice English
1800 - 1883 1884 - 1982 1983 - 1989 1990 - 1994 1995 - 2000 thoughtful advice English
1800 - 1860 1861 - 1952 1953 - 1960 1961 - 1985 1986 - 2000 considered advice English
1800 - 1977 1978 - 1995 1996 - 1997 1998 1999 - 2000 insightful advice English

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