diethylmalonylurea vs barbitone

diethylmalonylurea and barbitone both are nouns.

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

As nouns, diethylmalonylurea and barbitone are synonyms defined as:

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

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