sex
sex activity
sexual activity
sexual practice
inversion
lesbianism
paederasty
pederasty
sapphism
sexual inversion
555
Buddhism
amicability
auto-erotism
bestiality
bisexuality
eversion
fraiche
gamete
hermaphroditism
hetero-
homoaffectivity
homosexuality
hypertrichosis
intersex
magik
pronucleus
student-athletes
transvestism
voyeurism