Atarax vs hydroxyzine

Atarax and hydroxyzine both are nouns.

Word	Noun	Adjective	Verb	Adverb
Atarax	Yes	No	No	No
hydroxyzine	Yes	No	No	No

As nouns, Atarax and hydroxyzine are synonyms defined as:

Atarax and hydroxyzine: a drug (trade names Atarax and Vistaril) used as a tranquilizer to treat anxiety and motion sickness

Other synonyms of Atarax include hydroxyzine hydrochloride, Vistaril.

Atarax (noun)	hydroxyzine (noun)
a drug (trade names Atarax and Vistaril) used as a tranquilizer to treat anxiety and motion sickness	a drug (trade names Atarax and Vistaril) used as a tranquilizer to treat anxiety and motion sickness