minor tranquilliser vs anxiolytic drug

minor tranquilliser and anxiolytic drug both are nouns.

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

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

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

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

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