Google Books Ngram Viewer

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

1800 - 1860 1861 - 1962 1963 - 1973 1974 - 1985 1986 - 2000 wagon English
1800 - 1818 1819 - 1877 1878 - 1889 1890 - 1947 1948 - 2000 waggon English

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