Google Books Ngram Viewer

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

1500 - 1641 1642 - 1935 1936 - 1956 1957 - 1977 1978 - 2019 quintessence English

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