Nembutal vs pentobarbital

Nembutal and pentobarbital both are nouns.

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

As nouns, Nembutal and pentobarbital are synonyms defined as:

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

Other synonyms of Nembutal include pentobarbital sodium, yellow jacket.

Nembutal (noun)	pentobarbital (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