anxiolytic drug vs minor tranquilizer

anxiolytic drug and minor tranquilizer both are nouns.

Word	Noun	Adjective	Verb	Adverb
anxiolytic drug	Yes	No	No	No
minor tranquilizer	Yes	No	No	No

As nouns, anxiolytic drug and minor tranquilizer are synonyms defined as:

anxiolytic drug and minor tranquilizer: a tranquilizer used to relieve anxiety and reduce tension and irritability

Other synonyms of anxiolytic drug include antianxiety drug, anxiolytic, minor tranquilliser, minor tranquillizer.

anxiolytic drug (noun)	minor tranquilizer (noun)
a tranquilizer used to relieve anxiety and reduce tension and irritability	a tranquilizer used to relieve anxiety and reduce tension and irritability