Google Books Ngram Viewer

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

1900 - 1954 1955 - 1986 1987 - 1989 1990 - 1997 1998 - 2000 suntan English
1900 - 1945 1946 - 1988 1989 - 1992 1993 - 1996 1997 - 2000 suntanned English
1900 - 1950 1951 - 1986 1987 - 1990 1991 - 1995 1996 - 2000 suntans English
1900 - 1964 1965 - 1985 1986 - 1987 1988 - 1996 1997 - 2000 suntanning English

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