Google Books Ngram Viewer

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

1800 - 1824 1825 - 1960 1961 - 1969 1970 - 1983 1984 - 2000 isaac English
1800 - 1808 1809 - 1952 1953 1954 - 1988 1989 - 2000 issac English

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