yellow jacket vs pentobarbital sodium

yellow jacket and pentobarbital sodium both are nouns.

Word	Noun	Adjective	Verb	Adverb
yellow jacket	Yes	No	No	No
pentobarbital sodium	Yes	No	No	No

As nouns, yellow jacket and pentobarbital sodium are synonyms defined as:

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

Other synonyms of yellow jacket include Nembutal, pentobarbital.

yellow jacket (noun)	pentobarbital sodium (noun)
small yellow-marked social wasp commonly nesting in the ground	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