pentobarbital vs Nembutal

pentobarbital and Nembutal both are nouns.

Word	Noun	Adjective	Verb	Adverb
pentobarbital	Yes	No	No	No
Nembutal	Yes	No	No	No

As nouns, pentobarbital and Nembutal are synonyms defined as:

pentobarbital and Nembutal: a barbiturate (trade name Nembutal) used as a sedative and hypnotic and antispasmodic

Other synonyms of pentobarbital include pentobarbital sodium, yellow jacket.

pentobarbital (noun)	Nembutal (noun)
a barbiturate (trade name Nembutal) used as a sedative and hypnotic and antispasmodic	a barbiturate (trade name Nembutal) used as a sedative and hypnotic and antispasmodic