Levitra vs vardenafil

Levitra and vardenafil both are nouns.

Word	Noun	Adjective	Verb	Adverb
Levitra	Yes	No	No	No
vardenafil	Yes	No	No	No

As nouns, Levitra and vardenafil are synonyms defined as:

Levitra and vardenafil: virility drug (trade name Levitra) used to treat erectile dysfunction in men

Levitra (noun)	vardenafil (noun)
virility drug (trade name Levitra) used to treat erectile dysfunction in men	virility drug (trade name Levitra) used to treat erectile dysfunction in men