Google Books Ngram Viewer

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

1800 - 1961 1962 - 1991 1992 - 1994 1995 - 1997 1998 - 2000 transvestism English
1800 - 1974 1975 - 1993 1994 - 1995 1996 - 1997 1998 - 2000 transsexualism English
1800 - 1924 1925 - 1964 1965 - 1969 1970 - 1990 1991 - 2000 intersexuality English
1800 - 1993 1994 - 1997 1998 1999 2000 transgender English

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