Google Books Ngram Viewer

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

1800 - 1845 1846 - 1895 1896 - 1905 1906 - 1966 1967 - 2000 skylark English
1800 - 1866 1867 - 1916 1917 - 1925 1926 - 1968 1969 - 2000 skylarking English

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