Flying Dutchman vs phantasma

Flying Dutchman and phantasma both are nouns.

Word	Noun	Adjective	Verb	Adverb
Flying Dutchman	Yes	No	No	No
phantasma	Yes	No	No	No

As nouns, phantasma is a hypernym of Flying Dutchman; that is, phantasma is a word with a broader meaning than Flying Dutchman:

Flying Dutchman: a phantom ship that is said to appear in storms near the Cape of Good Hope
phantasma: something existing in perception only

Other hypernyms of Flying Dutchman include apparition, fantasm, phantasm, phantom, shadow.

As nouns, phantasma is a hypernym of Flying Dutchman; that is, phantasma is a word with a broader meaning than Flying Dutchman:

Flying Dutchman: the captain of a phantom ship (the Flying Dutchman) who was condemned to sail against the wind until Judgment Day
phantasma: a ghostly appearing figure

Other hypernyms of Flying Dutchman include apparition, fantasm, phantasm, phantom, specter, spectre.

Flying Dutchman (noun)	phantasma (noun)
a phantom ship that is said to appear in storms near the Cape of Good Hope	something existing in perception only
the captain of a phantom ship (the Flying Dutchman) who was condemned to sail against the wind until Judgment Day	a ghostly appearing figure