barbitone vs veronal

barbitone and veronal both are nouns.

Word	Noun	Adjective	Verb	Adverb
barbitone	Yes	No	No	No
veronal	Yes	No	No	No

As nouns, barbitone and veronal are synonyms defined as:

Other synonyms of barbitone include barbital, diethylbarbituric acid, diethylmalonylurea.

barbitone (noun)	veronal (noun)
a barbiturate used as a hypnotic	a barbiturate used as a hypnotic