Google Books Ngram Viewer

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

1945 - 1975 1976 - 2002 2003 - 2004 2005 - 2006 2007 - 2008 innovation German
1945 - 1951 1952 - 1983 1984 - 1988 1989 - 1996 1997 - 2008 fortschritt German

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