Google Books Ngram Viewer

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

1800 - 1912 1913 - 1972 1973 - 1979 1980 - 1987 1988 - 2000 keep out of trouble English
1800 - 1954 1955 - 1990 1991 - 1994 1995 - 1997 1998 - 2000 stay out of trouble English

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