papaverine vs Kavrin

papaverine and Kavrin both are nouns.

Word	Noun	Adjective	Verb	Adverb
papaverine	Yes	No	No	No
Kavrin	Yes	No	No	No

As nouns, papaverine and Kavrin are synonyms defined as:

papaverine and Kavrin: an alkaloid medicine (trade name Kavrin) obtained from opium; used to relax smooth muscles; it is nonaddictive

papaverine (noun)	Kavrin (noun)
an alkaloid medicine (trade name Kavrin) obtained from opium; used to relax smooth muscles; it is nonaddictive	an alkaloid medicine (trade name Kavrin) obtained from opium; used to relax smooth muscles; it is nonaddictive