All too often the divisions become rival religions.

Then he stayed to help the Christians in Karakorum and attended debates among rival religions organized by the Mongols.

The monks later realized that Xavier was preaching a rival religion and grew more aggressive towards his attempts at conversion.

They saw secular humanism as a rival religion, which had its own creed, its own objectives, and a distinctive organization.

Catholic missionaries often went to great lengths to counter what they perceived influence of rival religions, such as Islam and Protestantism.

Until recently, the world saw the rise of a rival religion, the Church of Vegetology, which gained much influence under an aggressive marketing campaign.

Fear and hatred of the rival religion keeps the peons in line.

The two rival religions soon divided the country and threatened civil war.

Fighting between adherents of the rival religions seemed likely until mediators intervened and the matter was submitted to arbitration.

Adherents of rival religions can read them and remain unpersuaded, unperturbed.