Google Books Ngram Viewer

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

1960 - 1964 1965 1966 - 1978 1979 1980 - 1986 chicon French
1960 - 1962 1963 - 1979 1980 1981 - 1985 1986 - 1990 endive French

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