Google Books Ngram Viewer

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

1800 - 1854 1855 - 1878 1879 - 1888 1889 - 1960 1961 - 2000 palm off English
1800 - 1832 1833 - 1970 1971 - 1979 1980 - 1989 1990 - 2000 fob off English
1800 - 1911 1912 - 1986 1987 - 1992 1993 - 1996 1997 - 2000 pawn off English

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