Google Books Ngram Viewer

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

1800 - 1807 1808 - 1818 1819 - 1829 1830 - 1961 1962 - 2000 a species of moth English
1800 - 1815 1816 - 1829 1830 - 1835 1836 - 1954 1955 - 2000 a species of beetle English

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