Passover refers to the final plague sent by HaShem to the Egyptians to convince the Pharaoh to release the Israelites from slavery - killing of the first born Egyptian males. The Exodus refers to the Israelites leaving Egypt for the promised land after the Pharaoh agreed to let them leave.
The first Passover is found in Exodus 12.
From Exodus ch.12.
In Exodus ch.12. For more complete background, see Exodus ch.1 to ch.12.See also:More about Passover
Passover was and is celebrated according to God's command (Exodus ch. 12).
Egypt. See Exodus ch.12.
It comes from the Torah. Exodus chapter 12.
Passover celebrates the Exodus.
Passover commemorates the Exodus.
Passover commemorates the Exodus.
Pesach (Passover). Exodus ch.12.
It was part of the Exodus from Egypt and was commanded by God. See Exodus ch.12.
It was to be a yearling male lamb or billy goat (Exodus 12). See also:More about Passover