Google Books Ngram Viewer

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

1800 - 1805 1806 - 1812 1813 - 1814 1815 - 1958 1959 - 2000 courts martial English
1800 - 1813 1814 - 1910 1911 - 1924 1925 - 1983 1984 - 2000 court martials English

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