antianxiety drug vs minor tranquilliser

antianxiety drug and minor tranquilliser both are nouns.

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

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

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

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

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