sleeping draught vs hypnotic

sleeping draught and hypnotic both are nouns.

Word	Noun	Adjective	Verb	Adverb
sleeping draught	Yes	No	No	No
hypnotic	Yes	Yes	No	No

As nouns, hypnotic is a hypernym of sleeping draught; that is, hypnotic is a word with a broader meaning than sleeping draught:

sleeping draught: a soporific drug in the form of a pill (or tablet or capsule)
hypnotic: a drug that induces sleep

Other hypernyms of sleeping draught include lozenge, pill, tab, tablet, soporific.

sleeping draught (noun)	hypnotic (noun)
a soporific drug in the form of a pill (or tablet or capsule)	a drug that induces sleep

sleeping draught (adjective)	hypnotic (adjective)
	of or relating to hypnosis
	attracting and holding interest as if by a spell