Google Books Ngram Viewer

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

1940 - 1961 1962 - 1995 1996 - 1998 1999 2000 yoghurt English
1940 - 1973 1974 - 1994 1995 - 1996 1997 - 1998 1999 - 2000 yogurt English

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