Even though I am part of a different denomination than my Uncle, we still believe roughly the same religious doctrine, and our church branches only have very minor differences.

When it comes to religion, a new denomination is often formed when part of a church secedes from the main body because they disagree over a specific ideal or belief.

Puritan is a specific denomination within the Christian faith, though there are only a handful of differences in the doctrine they believe compared to other denominations.

Many people believe that Catholicism and Protestants are both a denomination of overarching Christianity, but the difference in doctrine is so great that they are essentially two different religions.

The Christian faith has more than one denomination, but even though these different branches have some differences in belief they also share many similarities.