The clarification of the question is sort of unclear. I think you mean what other religion is common to Islam. I would definitely say Christianity. Even though there are major differences and gaps there are some similarities.
Islam is a religion - therefore the answer is Islam.
The most common religion in Algeria is Islam, with the majority of the population being Sunni Muslims. There are also small Christian and Jewish communities in the country.
Islam .Islam
Islam is a religion, not a country.Jerusalem is the capital of Palestine and Israel.no Islam is a religion, a religion not a country
Albania is the only country in Europe to have Islam as its dominant religion.
Islam is the primary religion of every Middle Eastern country except Israel, whose primary religion is Judaism.
Islam is a religion not a country. Refer to question below.
It is only a religion.
The most common religion in Libya is Islam.
Nothing special per religion. They wear according to their country common practices and traditions.
Islam
Sunni Islam is the most common religion in the Arab World, but every Arab chooses his own "dominant" religion or non-religion to believe in.