Google Books Ngram Viewer

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

1950 - 1970 1971 - 1993 1994 1995 - 1997 1998 - 2000 anturnen German
1950 - 1976 1977 - 1987 1988 1989 - 1995 1996 - 2000 antörnen German

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