[1] : WordNet (r) 2.0

homosexuality
     n : a sexual attraction to or sexual relations with persons of
         the same sex syn: homosexualism, homoeroticism, gayness
see also:
homosexualism homoeroticism gayness 

[2] : Moby Thesaurus II by Grady Ward, 1.0

35 moby thesaurus words for "homosexuality":
   active algolagnia, algolagnia, algolagny, amphierotism,
   autoeroticism, bisexuality, coprophilia, exhibitionism, fetishism,
   heterosexuality, homoeroticism, homosexualism, incest,
   incestuousness, lesbianism, masochism, narcissism, necrophilia,
   paraphilia, passive algolagnia, pedophilia, sadism, sadomasochism,
   sapphism, scotophilia, sexual inversion, sexual normality,
   sexual preference, swinging both ways, transvestitism, tribadism,
   tribady, voyeurism, zooerastia, zoophilia

Homosexuality >> H Words
Homosexuality, definition of term: Homosexuality
homosexuality_pag1.html