Google Books Ngram Viewer

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

1800 - 1841 1842 - 1984 1985 - 1990 1991 - 1995 1996 - 2000 hello English
1800 - 1820 1821 - 1939 1940 - 1956 1957 - 1978 1979 - 2000 good day English
1800 - 1824 1825 - 1855 1856 - 1869 1870 - 1973 1974 - 2000 good morning English
1800 - 1848 1849 - 1935 1936 - 1945 1946 - 1985 1986 - 2000 good afternoon English
1800 - 1831 1832 - 1944 1945 - 1959 1960 - 1976 1977 - 2000 good evening English
1800 - 1820 1821 - 1888 1889 - 1904 1905 - 1970 1971 - 2000 how do you do English
1800 - 1828 1829 - 1932 1933 - 1942 1943 - 1992 1993 - 2000 howdy English
1800 - 1848 1849 - 1956 1957 - 1969 1970 - 1983 1984 - 2000 greetings English

Run your own experiment! Raw data is available for download here.
© 2013 Google - Privacy & Terms - About Google - About Google Books - About Ngram Viewer