Google Books Ngram Viewer

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

1900 - 1912 1913 - 1976 1977 - 1984 1985 - 1992 1993 - 2000 nurse English
1900 - 1910 1911 - 1952 1953 - 1961 1962 - 1992 1993 - 2000 doctor English

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