nympholepsy vs delirium

nympholepsy and delirium both are nouns.

Word	Noun	Adjective	Verb	Adverb
nympholepsy	Yes	No	No	No
delirium	Yes	No	No	No

As nouns, delirium is a hypernym of nympholepsy; that is, delirium is a word with a broader meaning than nympholepsy:

Other hypernyms of nympholepsy include craze, frenzy, fury, hysteria.

nympholepsy (noun)	delirium (noun)
a frenzy of emotion; as for something unattainable	a usually brief state of excitement and mental confusion often accompanied by hallucinations
	state of violent mental agitation