Complex sentence: Raghs (also spelled as Raqs) is the Arabic word for dance, and is almost exclusively the word used for dance in Persian, as the Persian word for dance, paykubi, is no longer in common usage.
Split into simpler sentences: Raghs (also spelled as Raqs) is the Arabic word for dance, and is almost exclusively the word used for dance in Persian. The Persian word for dance, paykubi, is no longer in common usage.