Google Books Ngram Viewer

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

1800 - 1815 1816 - 1831 1832 - 1890 1891 - 1971 1972 - 2000 parcel English
1800 - 1883 1884 - 1990 1991 - 1993 1994 - 1996 1997 - 2000 package English
1800 - 1821 1822 - 1837 1838 - 1897 1898 - 1986 1987 - 2000 packet English

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