Google Books Ngram Viewer

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

1800 1801 1802 1803 - 1814 1815 - 1830 quando Spanish
1800 - 1815 1816 - 1827 1828 1829 - 1830 1831 - 1830 cuando Spanish

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