antianxiety drug vs minor tranquillizer

antianxiety drug and minor tranquillizer both are nouns.

Word	Noun	Adjective	Verb	Adverb
antianxiety drug	Yes	No	No	No
minor tranquillizer	Yes	No	No	No

As nouns, antianxiety drug and minor tranquillizer are synonyms defined as:

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

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

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