Google Books Ngram Viewer

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

1800 - 1870 1871 - 1940 1941 - 1951 1952 - 1990 1991 - 2000 traveled English
1800 - 1811 1812 - 1836 1837 - 1848 1849 - 1953 1954 - 2000 travelled English

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