pentobarbital vs yellow jacket

pentobarbital and yellow jacket both are nouns.

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

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

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

Other synonyms of pentobarbital include Nembutal, pentobarbital sodium.

pentobarbital (noun)	yellow jacket (noun)
a barbiturate (trade name Nembutal) used as a sedative and hypnotic and antispasmodic	small yellow-marked social wasp commonly nesting in the ground
	a barbiturate (trade name Nembutal) used as a sedative and hypnotic and antispasmodic