ataractic agent vs antianxiety agent

ataractic agent and antianxiety agent both are nouns.

Word	Noun	Adjective	Verb	Adverb
ataractic agent	Yes	No	No	No
antianxiety agent	Yes	No	No	No

As nouns, ataractic agent and antianxiety agent are synonyms defined as:

ataractic agent and antianxiety agent: a drug used to reduce stress or tension without reducing mental clarity

Other synonyms of ataractic agent include ataractic, ataractic drug, tranquilizer, tranquilliser, tranquillizer.

ataractic agent (noun)	antianxiety agent (noun)
a drug used to reduce stress or tension without reducing mental clarity	a drug used to reduce stress or tension without reducing mental clarity