barbital vs barbitone

barbital and barbitone both are nouns.

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

As nouns, barbital and barbitone are synonyms defined as:

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

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