The difference between Departure and Egress

When used as nouns, departure means the act of departing or something that has departed, whereas egress means an exit or way out.

Egress is also verb with the meaning: to exit or leave.

check bellow for the other definitions of Departure and Egress

Departure as a noun:

The act of departing or something that has departed.

Examples:

"The departure was scheduled for noon."
Departure as a noun:

A deviation from a plan or procedure.
Departure as a noun (euphemism):

A death.
Departure as a noun (navigation):

The distance due east or west made by a ship in its course reckoned in plane sailing as the product of the distance sailed and the sine of the angle made by the course with the meridian.
Departure as a noun (surveying):

The difference in easting between the two ends of a line or curve.

Examples:

"The area is computed by [[latitude]]s and departures."
Departure as a noun (legal):

The desertion by a party to any pleading of the ground taken by him in his last antecedent pleading, and the adoption of another.

Examples:

"rfquotek Bouvier"
Departure as a noun (obsolete):

Division; separation; putting away.

Egress as a noun:

An exit or way out.

Examples:

"The window provides an egress in the event of an emergency."
Egress as a noun:

The process of exiting or leaving.
Egress as a noun (astronomy):

The end of the apparent transit of a small astronomical body over the disk of a larger one.

Egress as a verb (intransitive):

To exit or leave; to go or come out.