Enkaid vs encainide

Enkaid and encainide both are nouns.

Word	Noun	Adjective	Verb	Adverb
Enkaid	Yes	No	No	No
encainide	Yes	No	No	No

As nouns, Enkaid and encainide are synonyms defined as:

Enkaid and encainide: antiarrhythmic drug (trade name Enkaid) used to treat life-threatening arrhythmias but increases the risk of sudden death in heart attack patients

Enkaid (noun)	encainide (noun)
antiarrhythmic drug (trade name Enkaid) used to treat life-threatening arrhythmias but increases the risk of sudden death in heart attack patients	antiarrhythmic drug (trade name Enkaid) used to treat life-threatening arrhythmias but increases the risk of sudden death in heart attack patients