Google Books Ngram Viewer

Graph these comma-separated phrases:
case-insensitive
between and from the corpus with smoothing of .  
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1800 - 1952 1953 - 1952 1953 - 1958 1959 - 1988 1989 - 1998 fossilized metaphor English
1800 - 1926 1927 - 1945 1946 1947 - 1966 1967 - 1993 fossil metaphor English

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