Flying Dutchman vs apparition

Flying Dutchman and apparition both are nouns.

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

As nouns, apparition is a hypernym of Flying Dutchman; that is, apparition 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
apparition: something existing in perception only

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

As nouns, apparition is a hypernym of Flying Dutchman; that is, apparition 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
apparition: a ghostly appearing figure

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

Flying Dutchman (noun)	apparition (noun)
a phantom ship that is said to appear in storms near the Cape of Good Hope	an act of appearing or becoming visible unexpectedly
the captain of a phantom ship (the Flying Dutchman) who was condemned to sail against the wind until Judgment Day	something existing in perception only
	the appearance of a ghostlike figure
	a ghostly appearing figure