delirium vs nympholepsy

delirium and nympholepsy both are nouns.

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

As nouns, nympholepsy is a hyponym of delirium; that is, nympholepsy is a word with a more specific, narrower meaning than delirium:

Other hyponyms of delirium include epidemic hysertia, mass hysteria.

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