They aren't. One is when you are away from home and you miss it. The other is when the movement of a boat causes you to feel ill.
Seasickness; hence, any similar sickness of the stomach accompanied with a propensity to vomit; qualm; squeamishness of the stomach; loathing.
"Le mal de mer" is the French term for seasickness.
nostalgia
homefree
true
Yes.
Homesickness
Homesickness occurs when a person is away from home. One can feel blue about missing the comfort and security of ones loved ones.
Homesickness
"Mal de Mer"
Seasickness pills or THC
No, it is not necessary.