Islam :: Islam (n.) The religion of the Mohammedans; Mohammedanism; Islamism. Their formula of faith is: There is no God but Allah, and Mohammed is his prophet..
Islam :: Islam (n.) The whole body of Mohammedans, or the countries which they occupy..
Islamism :: Islamism (n.) The faith, doctrines, or religious system of the Mohammedans; Mohammedanism; Islam..