Google Books Ngram Viewer

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

1750 - 1793 1794 - 1823 1824 - 1833 1834 - 1948 1949 - 2000 vale of tears English
1750 - 1771 1772 - 1887 1888 - 1900 1901 - 1990 1991 - 2000 veil of tears English

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