Google Books Ngram Viewer

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

1800 - 1848 1849 - 1941 1942 - 1953 1954 - 1996 1997 - 2008 vacation English
1800 - 1856 1857 - 1932 1933 - 1946 1947 - 1994 1995 - 2008 holiday English

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