Islam -- 23 Islam 20 Customs and practices 14 Prayer -- 8 Religious aspects -- 8 Doctrines 7 Pillars of Islam 6 Building -- 3 Death -- 3 Islamic ethics 3 Koran -- 3 Maintenance 3 Religious life 3 Religious life (Islam) 3 Religious life -- 3 Conduct of life 2 Estimates -- 2 Family -- 2 Folk medicine 2 Formulae, receipts, prescriptions 2 Funeral rites and ceremonies, Islamic 2 History 2 Husband and wife (Islamic law) 2 Koran 2 Koranic teaching 2 Marriage -- 2 Muslim pilgrims and pilgrimages -- 2 Muslim women -- 2 Quantity Surveyors -- 2 Saudi Arabia 2