phenobarbitone vs sodium thiopental

phenobarbitone and sodium thiopental both are nouns.

Word	Noun	Adjective	Verb	Adverb
phenobarbitone	Yes	No	No	No
sodium thiopental	Yes	No	No	No

As nouns, phenobarbitone and sodium thiopental are synonyms defined as:

phenobarbitone and sodium thiopental: a long-acting barbiturate used as a sedative

Other synonyms of phenobarbitone include Luminal, phenobarbital, purple heart.

phenobarbitone (noun)	sodium thiopental (noun)
a long-acting barbiturate used as a sedative	a long-acting barbiturate used as a sedative