Vistaril vs hydroxyzine

Vistaril and hydroxyzine both are nouns.

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

As nouns, Vistaril and hydroxyzine are synonyms defined as:

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

Other synonyms of Vistaril include Atarax, hydroxyzine hydrochloride.

Vistaril (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