Osiris was the usual Ancient Egyptian god of the underworld.
There is no ancient Egyptian god Zyopt.
the under world
Asar
It largely depends upon which ancient Egyptian god - or goddess.
Ptah is the ancient Egyptian god of creation.
Yah is not a recognized Egyptian god in ancient Egyptian mythology. It is possible that you may be referring to Yahweh, the god of the Israelites in the Hebrew Bible. In ancient Egyptian mythology, the god Yahweh does not hold any significance.
The ancient Egyptian ruler was considered to be a living god, so naturally he outranked the priesthood and everyone else.
The ancient Egyptian deity that was considered the god of the horizon is Aker.
The ancient Egyptian deity that was considered a war god is Anhur.
The bird associated with the ancient Egyptian god Horus is the falcon.
In ancient Egyptian mythology, Ptah is the god of architects and craftsmen, who created the world.
Isis she was the Egyptian god of love and purity