embarkation vs boarding

[Green_Grass]

There's a question like this in my textbook:

(An announcement is being made at a port) The ship will soon be ready for _____ (embarkation/boarding). Would passengers please ensure they have their tickets ready.

Which one should I choose? Can you please explain the difference between them in this context?

Thank you.

[Beeesneees]

There is very little difference,

'Boarding' is the act of getting passengers and crew onto any vehicle carrying a group of people.
You can board a plane, a bus and a train.

'Embarkation' is the act of getting passengers and crew on board a ship or plane.
As this is specific to shipping, then this is the one I would choose -- but the other is perfectly acceptable too.
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