red devil vs Seconal

red devil and Seconal both are nouns.

Word	Noun	Adjective	Verb	Adverb
red devil	Yes	No	No	No
Seconal	Yes	No	No	No

As nouns, red devil and Seconal are synonyms defined as:

red devil and Seconal: barbiturate that is a white odorless slightly bitter powder (trade name Seconal) used as a sodium salt for sedation and to treat convulsions

Other synonyms of red devil include secobarbital, secobarbital sodium.

red devil (noun)	Seconal (noun)
barbiturate that is a white odorless slightly bitter powder (trade name Seconal) used as a sodium salt for sedation and to treat convulsions	barbiturate that is a white odorless slightly bitter powder (trade name Seconal) used as a sodium salt for sedation and to treat convulsions