What are the major similarities between Judaism, Christianity, and Islam? Do you consider Abrahamic religions to be a usef ul term or not? Judaism, Christianity and Islam have a f ew similarities. 1. Judaism, Christianity and Islam are monotheistic religions, i.e. they believe only in one God. 2. Judaism, Christianity and Islam recognize the Old Testament to some extent. 3. The primary writing source of all three religions is Torah. The Old Testament practically in f ull conf orms to Tanakh. 4. All these religions are based on Gods revelation. 5. Judaism, Christianity and Islam came f rom the ancient tradition ascending to the patriarch of the Semitic tribes Abraham. According to point 5, Abrahamic religions is the correct and usef ul term f or def inition of Judaism, Christianity and Islam. You are right about Jesus. Christianity believes in Jesus as Gods Son, Messiah, and the Savior. The Gospel is honored as the word of God. Judaism doesnt recognize Jesus as a Messiah and denies his divinity. As a result, the Gospel is also not recognized. Islam recognizes holiness of Jesus. Muslims believe he was one of the greatest prophets but they deny that Jesus could be God or