Google Books Ngram Viewer

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

1800 - 1855 1856 - 1859 1860 - 1906 1907 - 1970 1971 - 2000 seargent English
1800 - 1909 1910 - 1947 1948 - 1951 1952 - 1977 1978 - 2000 chief mechanical engineer English

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