barbital vs diethylmalonylurea

barbital and diethylmalonylurea both are nouns.

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

As nouns, barbital and diethylmalonylurea are synonyms defined as:

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

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