Seconal vs secobarbital

Seconal and secobarbital both are nouns.

Word	Noun	Adjective	Verb	Adverb
Seconal	Yes	No	No	No
secobarbital	Yes	No	No	No

As nouns, Seconal and secobarbital are synonyms defined as:

Seconal and secobarbital: 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 Seconal include red devil, secobarbital sodium.

Seconal (noun)	secobarbital (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