generally, 'denominations' - except that Roman Catholic and Orthodox churches are seldom referred to that way - or, sometimes, 'sects'
When a religion has different branches (e.g., Christianity), they are called "sects".
Orthodox Christianity
A term often used to describe someone who is against Christianity or actively opposes its beliefs is "antichristian." This can refer to individuals, groups, or movements that are hostile towards Christianity or seek to undermine its teachings.
i would just like to say that the name Christianity was not given to the religon during Jesus' time but much later. In fact of the 3 major monotheistic religions only one was given a name when it came right away which is Islam.--------by scholar.in.pursuit
The Great Lakes
The elements between group 2 and 13 are called Transition elements. They are placed in center of periodic table.
name the different races and ethnic group in malaysia
a tissue
they are called groups or families
Groups of a specific animal are commonly given a name. A squabble is the name assigned to a group of seagulls.
One thing that can happen is, if it is common in multiple parts of the world, it is given a name by one group of people and then given another name by a different group. Then if these two groups interact with one language, then that language might have two words for that animal.
Group.