Complex sentence: The Shia ("Shīʿah") represent the second largest denomination of Islam and adherents of Shia Islam are called Shias or the Shi'a as a collective or Shi'i individually.
Split into simpler sentences: The Shia ("Shīʿah") represent the second largest denomination of Islam. Adherents of Shia Islam are called Shias or the Shi'a as a collective or Shi'i individually.