Sex Gender Studies 10 RELIGION 10 Sexual Behavior 10 Gender identity 9 Sexology 8 Sexual ethics 8 Sex (Psychology) 6 Sexualidad 6 Social aspects 6 History 5 Religious aspects 5 Seksualiteit 5 Sex customs 5 Sexualité 5 Feminism 4 Research 4 Sex & Sexuality 4 Sex Education 4 Christianity 3 Gender Studies & Sexuality 3 Human rights 3 Love 3 Philosophy 3 Sex -- Religious aspects -- Catholic Church 3 Sex role 3 Sexual Dysfunction, Physiological 3 Sexual behavior 3 Sexual health 3 Sexuality 3