Islam 30 Islam -- 22 Religious aspects -- 19 Doctrines 11 Customs and practices 9 Religious life -- 8 Medicine -- 6 more ... Islamic ethics 5 Conduct of life 4 Muslims -- 4 Prayer -- 4 Sufism 4 Health -- 3 Marriage -- 3 Spiritual healing -- 3 Da'wah (Islam) 2 History 2 Islamic law 2 Polygamy -- 2 Purity, Ritual (Islam) 2 Purity, Ritual -- 2 Religious life 2 Terrorism -- 2 Art, Islamic 1 Biotechnology -- 1 Blood -- 1 Christianity 1 Criticism, interpretation, etc 1 Dietary laws 1 Distribution of decedents' estates (Islamic law) 1 less ...