Virazole vs ribavirin

Virazole and ribavirin both are nouns.

Word	Noun	Adjective	Verb	Adverb
Virazole	Yes	No	No	No
ribavirin	Yes	No	No	No

As nouns, Virazole and ribavirin are synonyms defined as:

Virazole and ribavirin: an inhaled antiviral agent (trade name Virazole) that may be used to treat serious virus infections

Virazole (noun)	ribavirin (noun)
an inhaled antiviral agent (trade name Virazole) that may be used to treat serious virus infections	an inhaled antiviral agent (trade name Virazole) that may be used to treat serious virus infections