Google Books Ngram Viewer

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

1800 - 1819 1820 - 1827 1828 - 1919 1920 - 1971 1972 - 2000 nachkommin German
1800 - 1937 1938 - 1986 1987 - 1992 1993 - 1997 1998 - 2000 nachfahrin German

Run your own experiment! Raw data is available for download here.
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