Google Books Ngram Viewer

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

1800 - 1806 1807 - 1821 1822 - 1835 1836 - 1981 1982 - 2008 liebhaber German
1800 - 1812 1813 - 1844 1845 - 1859 1860 - 1984 1985 - 2008 geliebter German
1800 - 1806 1807 - 1822 1823 - 1890 1891 - 1996 1997 - 2008 liebhaberinnen German
1800 - 1816 1817 - 1939 1940 - 1951 1952 - 1987 1988 - 2008 liebhaberin German
1800 - 1816 1817 - 1835 1836 - 1849 1850 - 1983 1984 - 2008 geliebte German

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