anxiolytic vs tranquillizer

anxiolytic and tranquillizer both are nouns.

Word	Noun	Adjective	Verb	Adverb
anxiolytic	Yes	Yes	No	No
tranquillizer	Yes	No	No	No

As nouns, tranquillizer is a hypernym of anxiolytic; that is, tranquillizer is a word with a broader meaning than anxiolytic:

anxiolytic: a tranquilizer used to relieve anxiety and reduce tension and irritability
tranquillizer: a drug used to reduce stress or tension without reducing mental clarity

anxiolytic (noun)	tranquillizer (noun)
a tranquilizer used to relieve anxiety and reduce tension and irritability	a drug used to reduce stress or tension without reducing mental clarity

anxiolytic (adjective)	tranquillizer (adjective)
anxiety relieving