Pepcid vs famotidine

Pepcid and famotidine both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pepcid	Yes	No	No	No
famotidine	Yes	No	No	No

As nouns, Pepcid and famotidine are synonyms defined as:

Pepcid and famotidine: a histamine blocker (trade name Pepcid) used to treat peptic ulcers and gastritis and esophageal reflux

Pepcid (noun)	famotidine (noun)
a histamine blocker (trade name Pepcid) used to treat peptic ulcers and gastritis and esophageal reflux	a histamine blocker (trade name Pepcid) used to treat peptic ulcers and gastritis and esophageal reflux