phenobarbital vs Luminal

phenobarbital and Luminal both are nouns.

Word	Noun	Adjective	Verb	Adverb
phenobarbital	Yes	No	No	No
Luminal	Yes	No	No	No

As nouns, phenobarbital and Luminal are synonyms defined as:

Other synonyms of phenobarbital include phenobarbitone, purple heart, sodium thiopental.

phenobarbital (noun)	Luminal (noun)
a long-acting barbiturate used as a sedative	a long-acting barbiturate used as a sedative