Islam Religious aspects 57 Customs and practices 25 Doctrines 21 Religious life 16 Conduct of life 10 Family 10 Prayer 9 History 8 Muslims 8 Marriage 6 Da'wah (Islam) 5 Economics 5 Economic aspects 4 Faith (Islam) 4 Medicine 4 Missions 4 Religious aspect 4 Business 3 Child rearing 3 Civilization 3 Finance 3 Husband and wife 3 Islam and reason 3 Islamic ethics 3 Jihad 3 Leadership 3 Management 3 Parenting 3 Prayer books and devotions 3