Google Books Ngram Viewer

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

1500 - 1733 1734 - 1758 1759 - 1760 1761 - 1909 1910 - 2000 debit German
1500 - 1800 1801 - 1929 1930 - 1940 1941 - 1974 1975 - 2000 kredit German

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