siren song vs appealingness

siren song and appealingness both are nouns.

Word	Noun	Adjective	Verb	Adverb
siren song	Yes	No	No	No
appealingness	Yes	No	No	No

As nouns, appealingness is a hypernym of siren song; that is, appealingness is a word with a broader meaning than siren song:

siren song: the enticing appeal of something alluring but potentially dangerous
appealingness: attractiveness that interests or pleases or stimulates

Other hypernyms of siren song include appeal, charm.

siren song (noun)	appealingness (noun)
the enticing appeal of something alluring but potentially dangerous	attractiveness that interests or pleases or stimulates