neuroleptic agent vs ataractic

neuroleptic agent and ataractic both are nouns.

Word	Noun	Adjective	Verb	Adverb
neuroleptic agent	Yes	No	No	No
ataractic	Yes	Yes	No	No

As nouns, ataractic is a hypernym of neuroleptic agent; that is, ataractic is a word with a broader meaning than neuroleptic agent:

neuroleptic agent: tranquilizer used to treat psychotic conditions when a calming effect is desired
ataractic: a drug used to reduce stress or tension without reducing mental clarity

neuroleptic agent (noun)	ataractic (noun)
tranquilizer used to treat psychotic conditions when a calming effect is desired	a drug used to reduce stress or tension without reducing mental clarity

neuroleptic agent (adjective)	ataractic (adjective)
	tending to soothe or tranquilize